必備之事物 的英文怎麼說

中文拼音 [bèizhīshì]
必備之事物 英文
prerequistite
  • : Ⅰ副詞(必定; 必然) certainly; necessarily; surely Ⅱ動詞(必須; 一定要) have to; must Ⅲ名詞(姓氏) a surname
  • : Ⅰ動詞1 (具備; 具有) have; be equipped with 2 (準備) prepare; provide with; get ready 3 (防備...
  • : 名1 (事情) matter; affair thing; business 2 (事故) trouble; accident 3 (職業;工作) job; wor...
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • 必備 : cet4
  1. After the 2. 5 generation mobile communication technology gprs brought into market by china mobile corporation, the cost of data transmission has been reduced. because of gprs has characteristics of charge in quantity, always online, lower cost, make it become the best solution of mobile data transmission. based on research of gps, gprs, we gave a design of new system as a whole and the implement of design of terminal on car and transmission way of position data

    對移動載體的自動跟蹤技術是自動控制領域的一個核心問題,在軍上,制導與跟蹤都要求裝具有快速、靈活的反應能力,來精確地對移動目標進行定位跟蹤的系統;在通信領域,移動載體間的相互通信和移動載體與靜止載體間的通信都依賴于自動跟蹤技術;在天文領域,要研究某一天體的運行規律,就須對它時刻追蹤,將其原有的機械式手動跟蹤望遠鏡改為自動跟蹤系統,無疑會大大的節約出人力力。
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