鏡象開關 的英文怎麼說
中文拼音 [jìngxiàngkāiguān]
鏡象開關
英文
mirror image switch-
Mobile agent, which originates from distributed - system research area and indicates the future of internet, is the result of gradually developed distributed - system technology. nevertheless, as a new concept, the mobile agent is probed both home and abroad. hence. there ' s neither regular model nor detailed description of agent. taking it for granted, this essy aims at the availiblity of mobile agent on the base of the mobility and autonomy of it. this essy then describes the " agent - based and fully materialized virtual database in the electronical book market system ", in which the author plays an importmant role. as regard to this sysetm, a uniform mirror database ( book market ) of all sourcedatabases is established and, with the help of the mobile agent, it ensures more instant access to diversified book information the customer needed. when some data is changed in the source termiante, the mobile agent then carries modification informations and moves from the source terminate to the mirror terminate, and, by doing relevant operations, the diferrent databases in different ends then become consistent
本文描述了筆者參與開發的一個系統： 「基於移動agent的全具象vdb電子書市系統」 。本系統以移動agent為基礎，通過建立對各個數據源（書店）數據庫的一個總的鏡像數據庫（書市）來實現客戶數據查詢的即時性和快速性。每個源端數據庫一經修改，由移動agent攜帶相關修改信息移動到鏡像端對數據庫進行相應操作，從而保證源端數據庫與鏡像端數據庫的一致。The purchase of a computerised comparison microscope has enhanced the bureau ' s ability to capture images of micro stria on fired ammunition, which can be checked against all firearms - related crime cases
彈藥在開火后會留下微細擦跡，該科購置的電腦輔助比較顯微鏡，有助攝錄有關的影象，用以核對所有與槍械有關的案件。2. according to the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through dual - focus optical systems and investigated the phenomenon of focal switches of the partially coherent
2 .從惠更斯-菲涅耳原理出發，推導了部分相干光束通過雙焦聚焦透鏡系統的傳輸公式，研究了部分相干光束聚焦的焦開關現象。
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