| 系 | [ xì ] system, department, faculty |
| 系主任 | [ xì zhǔ rèn ] chairman of department, dean, CL:位[wei4],個|个[ge4] |
| 系出名門 | [ xì chū míng mén ] to come from a distinguished family |
| 系列 | [ xì liè ] series, set |
| 系列放大器 | [ xì liè fàng dà qì ] series amplifier |
| 系列片 | [ xì liè piàn ] film series |
| 系統 | [ xì tǒng ] system, CL:個|个[ge4] |
| 系統性 | [ xì tǒng xìng ] systematic |
| 系統角色 | [ xì tǒng jué sè ] non-playable character (in a role-playing game) |
| ⇒ 一系列 | [ yī xì liè ] a series of, a string of |
| ⇒ 世系 | [ shì xì ] lineage, genealogy, family tree |
| ⇒ 並系群 | [ bìng xì qún ] paraphyletic group |
| ⇒ 中樞神經系統 | [ zhōng shū shén jīng xì tǒng ] central nervous system, CNS |
| ⇒ 仙女座星系 | [ xiān nǚ zuò xīng xì ] Andromeda galaxy M31 |
| ⇒ 仙女星系 | [ xiān nǚ xīng xì ] Andromeda galaxy M31 |
| ⇒ 佛系 | [ fó xì ] (neologism c. 2017) (coll.) chill about everything (typically used to describe young people who don't buy into aspirational society) |
| ⇒ 作業系統 | [ zuò yè xì tǒng ] operating system (Tw) |
| ⇒ 併系群 | [ bìng xì qún ] paraphyletic group, also written 並系群|并系群[bing4 xi4 qun2] |
| ⇒ 供油系統 | [ gōng yoú xì tǒng ] fuel supply system, lubricating system |
| ⇒ 保險解開系統 | [ baǒ xiǎn jiě kaī xì tǒng ] arming system |
| ⇒ 信息系統 | [ xìn xī xì tǒng ] information system |
| ⇒ 傳動系統 | [ chuán dòng xì tǒng ] transmission system, power drive |
| ⇒ 免疫系統 | [ miǎn yì xì tǒng ] immune system |
| ⇒ 內容管理系統 | [ neì róng guǎn lǐ xì tǒng ] content management system (CMS) (Internet) |
| ⇒ 全球位置測定系統 | [ quán qiú weì zhì cè dìng xì tǒng ] GPS (Global Positioning System) |
| ⇒ 全球定位系統 | [ quán qiú dìng weì xì tǒng ] global positioning system (GPS) |
| ⇒ 全球衛星導航系統 | [ quán qiú weì xīng daǒ háng xì tǒng ] Globalnaya Navigatsionaya Satelinaya Sistema or Global Navigation Satellite System (GLONASS), the Russian equivalent of GPS, abbr. to 格洛納斯|格洛纳斯 |
| ⇒ 八大菜系 | [ bā dà caì xì ] the eight major cuisines of China, namely 川魯粵蘇浙閩湘徽|川鲁粤苏浙闽湘徽[Chuan1 Lu3 Yue4 Su1 Zhe4 Min3 Xiang1 Hui1] |
| ⇒ 分系統 | [ fēn xì tǒng ] subsystem |
| ⇒ 動力系統 | [ dòng lì xì tǒng ] propulsion system, (math.) dynamical system |
| ⇒ 化學系 | [ huà xué xì ] department of chemistry |
| ⇒ 北斗衛星導航系統 | [ beǐ doǔ weì xīng daǒ háng xì tǒng ] BeiDou Navigation Satellite System (BDS) (similar to GPS) |
| ⇒ 北洋系 | [ beǐ yáng xì ] Beiyang faction of Northern Warlords |
| ⇒ 印歐語系 | [ yìn oū yǔ xì ] Indo-European family of languages |
| ⇒ 參照系 | [ cān zhaò xì ] frame of reference, coordinate frame (math.) |
| ⇒ 參考系 | [ cān kaǒ xì ] frame of reference |
| ⇒ 反導系統 | [ fǎn daǒ xì tǒng ] anti-missile system, missile defense system |
| ⇒ 呼吸系統 | [ hū xī xì tǒng ] respiratory system |
| ⇒ 命名系統 | [ mìng míng xì tǒng ] system of nomenclature |
| ⇒ 嚴重急性呼吸系統綜合症 | [ yán zhòng jí xìng hū xī xì tǒng zōng hé zhèng ] severe acute respiratory syndrome (SARS) |
| ⇒ 國家醫療服務體系 | [ guó jiā yī fú wù tǐ xì ] National Health Service (UK) |
| ⇒ 報系 | [ baò xì ] newspaper chain, syndicate |
| ⇒ 外文系 | [ waì wén xì ] department of foreign languages, modern languages (college department) |
| ⇒ 多粒子系統 | [ duō lì zǐ xì tǒng ] many particle systems (physics) |
| ⇒ 大系 | [ dà xì ] compendium |
| ⇒ 太陽微系統公司 | [ taì yáng weī xì tǒng gōng sī ] Sun Microsystems |
| ⇒ 太陽系 | [ taì yáng xì ] solar system |
| ⇒ 奉系 | [ fèng xì ] Fengtian clique (of northern warlords) |
| ⇒ 奉系軍閥 | [ fèng xì jūn fá ] Fengtian clique (of northern warlords) |
| ⇒ 奧陶系 | [ aò taó xì ] Ordovician system (geology), see 奧陶紀|奥陶纪 |
| ⇒ 嫡系 | [ dí xì ] direct line of descent, under one's personal command, school or faction passing on faithfully one's doctrine |
| ⇒ 子系統 | [ zǐ xì tǒng ] subsystem |
| ⇒ 宙斯盾戰鬥系統 | [ zhoù sī dùn zhàn doù xì tǒng ] Aegis Combat System (weapons system developed for the US Navy) |
| ⇒ 密閉式循環再呼吸水肺系統 | [ mì bì shì xún huán zaì hū xī shuǐ feì xì tǒng ] closed-circuit rebreather scuba (diving) |
| ⇒ 專家系統 | [ zhuān jiā xì tǒng ] expert system |
| ⇒ 座標系 | [ zuò xì ] coordinate system (geometry) |
| ⇒ 引信系統 | [ yǐn xìn xì tǒng ] fuzing system |
| ⇒ 循環系統 | [ xún huán xì tǒng ] circulatory system |
| ⇒ 志留系 | [ zhì liú xì ] Silurian system (geology), see 志留紀|志留纪 |
| ⇒ 思想體系 | [ sī xiǎng tǐ xì ] system of thought, ideology |
| ⇒ 恆星系 | [ héng xīng xì ] stellar system, galaxy |
| ⇒ 慣性系 | [ guàn xìng xì ] inertial system, inertial frame (mechanics) |
| ⇒ 排洩系統 | [ paí xiè xì tǒng ] drainage system, excretory system |
| ⇒ 操作系統 | [ caō zuò xì tǒng ] operating system |
| ⇒ 支系 | [ zhī xì ] branch or subdivision of a family |
| ⇒ 支系統 | [ zhī xì tǒng ] subsystem |
| ⇒ 新風系統 | [ xīn fēng xì tǒng ] ventilation system that purifies outdoor air during intake |
| ⇒ 旁系 | [ páng xì ] collateral relative (descended from a common ancestor but through different lines) |
| ⇒ 旋渦星系 | [ xuán wō xīng xì ] spiral galaxy |
| ⇒ 日系 | [ rì xì ] Japanese section (of school), Japanese-related (business) |
| ⇒ 星系 | [ xīng xì ] see 恆星系|恒星系[heng2 xing1 xi4] |
| ⇒ 星系盤 | [ xīng xì pán ] galactic disc |
| ⇒ 晶系 | [ jīng xì ] crystal system |
| ⇒ 有系統 | [ yoǔ xì tǒng ] systematic |
| ⇒ 根系 | [ gēn xì ] root system |
| ⇒ 桂系軍閥 | [ guì xì jūn fá ] Guangxi warlord faction, from 1911-1930 |
| ⇒ 桌面系統 | [ zhuō miàn xì tǒng ] desktop system |
| ⇒ 棒旋星系 | [ bàng xuán xīng xì ] barred spiral galaxy |
| ⇒ 極座標系 | [ jí zuò xì ] system of polar coordinates |
| ⇒ 武器系統 | [ wǔ qì xì tǒng ] weapon system |
| ⇒ 母系 | [ mǔ xì ] maternal, matriarchal |
| ⇒ 母系社會 | [ mǔ xì shè huì ] matrilineality |
| ⇒ 水系 | [ shuǐ xì ] drainage system |
| ⇒ 河外星系 | [ hé waì xīng xì ] extragalactic star system, galaxy (not including our Galaxy) |
| ⇒ 泌尿系統 | [ mì xì tǒng ] urinary system |
| ⇒ 派系 | [ paì xì ] sect, faction |
| ⇒ 消化系統 | [ huà xì tǒng ] digestive system, gastrointestinal tract |
| ⇒ 淋巴系統 | [ lín bā xì tǒng ] lymphatic system |
| ⇒ 漢學系 | [ hàn xué xì ] institute of Sinology, faculty of Sinology |
| ⇒ 漢藏語系 | [ hàn zàng yǔ xì ] Sino-Tibetan language family |
| ⇒ 父系 | [ fù xì ] paternal line, patrilineal |
| ⇒ 環球定位系統 | [ huán qiú dìng weì xì tǒng ] global positioning system (GPS) |
| ⇒ 生態系 | [ shēng taì xì ] ecosystem |
| ⇒ 生態系統 | [ shēng taì xì tǒng ] ecosystem |
| ⇒ 生殖系統 | [ shēng zhí xì tǒng ] reproductive system |
| ⇒ 皖系戰敗 | [ wǎn xì zhàn baì ] Anhui faction of Northern Warlords (1912-c. 1920), led by Duan Qirui 段祺瑞 with Japanese support |
| ⇒ 皖系軍閥 | [ wǎn xì jūn fá ] Anhui faction of Northern Warlords 1911-c.1929 |
| ⇒ 直系 | [ zhí xì ] directly related |
| ⇒ 直系祖先 | [ zhí xì zǔ xiān ] direct ancestor |
| ⇒ 直系血親 | [ zhí xì xuè qìng ] direct descendant, blood relative |
| ⇒ 直系親屬 | [ zhí xì qīn shǔ ] next of kin, immediate dependant |
| ⇒ 石炭系 | [ shí tàn xì ] carboniferous system, coal measure (geology) |
| ⇒ 社會信用體系 | [ shè huì xìn yòng tǐ xì ] social credit system, a system that incentivizes individuals and businesses by creating consequences for good and bad behavior |
| ⇒ 祖系 | [ zǔ xì ] ancestry, lineage, pedigree, also written 祖係|祖系 |
| ⇒ 神經系統 | [ shén jīng xì tǒng ] nervous system |
| ⇒ 科系 | [ kē xì ] department |
| ⇒ 科迪勒拉山系 | [ kē dí lè lā shān xì ] Cordillera, series of mountain ranges stretching from Patagonia in South America through to Alaska and Aleutian islands |
| ⇒ 種系 | [ zhǒng xì ] evolutionary line, line of descent |
| ⇒ 端系統 | [ duān xì tǒng ] end system |
| ⇒ 等軸晶系 | [ děng zhoú jīng xì ] cubical system (crystallography), crystal system based on cubic lattice, equiaxial crystal system |
| ⇒ 經濟體系 | [ jīng jì tǐ xì ] economic system |
| ⇒ 網管系統 | [ wǎng guǎn xì tǒng ] network management |
| ⇒ 網絡操作系統 | [ wǎng luò caō zuò xì tǒng ] network operating system |
| ⇒ 網絡管理系統 | [ wǎng luò guǎn lǐ xì tǒng ] network management system, NMS |
| ⇒ 網路作業系統 | [ wǎng lù zuò yè xì tǒng ] network operating system |
| ⇒ 線性系統 | [ xiàn xìng xì tǒng ] linear system |
| ⇒ 編碼系統 | [ biān mǎ xì tǒng ] coding system |
| ⇒ 聲類系統 | [ shēng leì xì tǒng ] phonetic system |
| ⇒ 自主神經系統 | [ zì zhǔ shén jīng xì tǒng ] autonomic nervous system |
| ⇒ 自主系統 | [ zì zhǔ xì tǒng ] autonomous system |
| ⇒ 自律神經系統 | [ zì lǜ shén jīng xì tǒng ] autonomic nervous system |
| ⇒ 英語系 | [ yīng yǔ xì ] anglophone, English department |
| ⇒ 菜系 | [ caì xì ] (regional) cuisine |
| ⇒ 衛星定位系統 | [ weì xīng dìng weì xì tǒng ] global positioning system (GPS) |
| ⇒ 衛星導航系統 | [ weì xīng daǒ háng xì tǒng ] satellite navigation system, sat-nav |
| ⇒ 複雜系統 | [ fù zá xì tǒng ] complex system |
| ⇒ 褶皺山系 | [ zhě zhoù shān xì ] fold mountain system (geology) |
| ⇒ 視空間系統 | [ shì kōng jiān xì tǒng ] visuo-spatial sketchpad |
| ⇒ 語系 | [ yǔ xì ] language family |
| ⇒ 譜系 | [ pǔ xì ] pedigree |
| ⇒ 軟件系統 | [ ruǎn jiàn xì tǒng ] software system |
| ⇒ 輸入系統 | [ shū rù xì tǒng ] input system, data entry system |
| ⇒ 通訊系統 | [ tōng xùn xì tǒng ] communication system |
| ⇒ 週期系 | [ zhoū qī xì ] periodic system, periodicity (chemistry) |
| ⇒ 道系 | [ daò xì ] (slang, coined c. 2017, contrasted with 佛系[fo2 xi4]) Dao-type, a type of person who has traits associated with a Daoist approach to life, such as being active, optimistic, earthy and forthright |
| ⇒ 邊緣系統 | [ biān yuán xì tǒng ] limbic system |
| ⇒ 醫學系 | [ yī xué xì ] medical school |
| ⇒ 金融系統 | [ jīn róng xì tǒng ] financial system |
| ⇒ 銀河系 | [ yín hé xì ] Milky Way Galaxy, the galaxy (our galaxy) |
| ⇒ 銷售時點情報系統 | [ shoù shí diǎn qíng baò xì tǒng ] point of sale system |
| ⇒ 錒系元素 | [ ā xì yuán sù ] actinoids (rare earth series), namely: actinium Ac89 錒|锕[a1], thorium Th90 釷|钍[tu3], protoactinium Pa91 鏷|镤[pu2], uranium U92 鈾|铀[you2], neptunium Ne93 鎿|镎[na2], plutonium Pu94 鈈|钚[bu4], americium Am95 鎇|镅[mei2], curium Cm96 鋦|锔[ju2], berkelium Bk97 錇|锫[pei2], californium Cf98 鐦|锎[kai1], einsteinium Es99 鎄|锿[ai1], fermium Fm100 鐨|镄[fei4], mendelevium Md101 鍆|钔[men2], nobelium No102 鍩|锘[nuo4], lawrencium Lr103 鐒|铹[lao2] |
| ⇒ 鑭系元素 | [ lán xì yuán sù ] lanthanoid (rare earth series), namely: lanthanum La57 鑭|镧[lan2], cerium Ce58 鈰|铈[shi4], praseodymium Pr59 鐠|镨[pu3], neodymium Nd60 釹|钕[nu:3], promethium Pm61 鉕|钷[po3], samarium Sm62 釤|钐[shan1], europium Eu63 銪|铕[you3], gadolinium Gd64 釓|钆[ga2], terbium Tb65 鋱|铽[te4], dysprosium Dy66 鏑|镝[di1], holmium Ho67 鈥|钬[huo3], erbium Er68 鉺|铒[er3], thulium Tm69 銩|铥[diu1], ytterbium Yb70 鐿|镱[yi4], lutetium Lu71 鑥|镥[lu3] |
| ⇒ 閃含語系 | [ shǎn hán yǔ xì ] Hamito-Semitic family of languages (incl. Arabic, Aramaic, Hebrew etc) |
| ⇒ 開放式系統 | [ kaī fàng shì xì tǒng ] open system(s) |
| ⇒ 開放系統 | [ kaī fàng xì tǒng ] open system |
| ⇒ 開放系統互連 | [ kaī fàng xì tǒng hù lián ] open systems interconnection, OSI |
| ⇒ 關系 | [ guān xi ] variant of 關係|关系[guan1 xi5] |
| ⇒ 電子學系 | [ diàn zǐ xué xì ] department of electronics |
| ⇒ 電腦系統 | [ diàn naǒ xì tǒng ] computer system |
| ⇒ 預警系統 | [ yù jǐng xì tǒng ] early warning system |
| ⇒ 體系 | [ tǐ xì ] system, setup, CL:個|个[ge4] |
| ⇒ 體育系 | [ tǐ yù xì ] Physical Education department |
