countdown timer 中文意思是什麼

countdown timer 解釋
倒數計時器
  • countdown : n. 1. (火箭、核彈等準備發射、爆炸時的)時間計算(階段);(火箭、核彈發射、爆炸前)計時系統。2. (雷達的)回答脈沖比;(電視的)脈沖分頻[脫漏]。3. 讀數,示度;計數損失[漏失]。
  • timer : n. 1. 時計,跑表。2. 記時員。3. 定時繼電器;程序調節器,定時(延遲)調節器,定時裝置,自動定時儀。4. (內燃機的)發火定時器。5. (汽車的)時速表。6. 按時計酬的工人。
  1. Eva : the bombs run off a timer. once the timer has been set the countdown will begin. when the timer reaches zero the bombs will all go off at once

    炸彈設有計時器。時間設定好后,倒計時就會開始。計時為0的時候,炸彈就會爆炸。
  2. The system paper generated is through randomly choice question from database, and question database partition by study content. the system also provide countdown timer. candidates are required to submit the paper before timeout or system will submit automatically at time end. score will be calculated at once after submital, and so everything is worked to meet purpose of paperless system

    本系統試卷的生成是通過對現有題庫內題目的隨機抽取而組成的,題庫按學習內容的章節劃分,系統提供了倒計時功能,考生既可以在規定時間內主動交卷也可在考試時間到后系統自動交卷,交卷后系統立即判卷給出分數,從而達到無紙化考試的目的。
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