trend n. (路、河、海岸、山脈等的)走向;方向,方位;傾向,趨勢,動向。 the trend of events 形勢。 vi. 走向,伸向,轉向,側向;傾向,趨向 (towards)。 adj. -y 最流行[時髦]的;合乎潮流的。
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Acrylonitrile is a kind of important chemical raw material . in this paper , technical development trends of acrylonitrile were elaborated in details . and some development suggestions were put forward 摘要簡要介紹了丙烯腈的國內外生產情況,詳細闡述了丙烯腈的技術開發動向和技術發展趨勢,并對我國丙烯腈技術發展提出了建議。
Based on an analysis of the present situation of automatization in metro and the technical development trend of automatization in metro in china and abroad , the solution to how to achieve comprehensive automatization in metro is put forward 摘要通過對國內外地鐵自動化現狀的分析及技術發展趨勢的研究,探討如何實現地鐵綜合自動化的具體解決方案。
This text elaborated a network information the target of the safety and constitute , carrying on summary from the technique and the management , analyzing physically applied medium of various technique means with safe network information , and to domestic and international the information safe technical development trend and new the direction carried on introduction 本文闡述了網絡信息安全的目標和組成,從技術和管理上進行總結,分析了實際應用中的各種網絡信息安全技術手段,并對國內外信息安全技術的發展趨勢和新方向進行了介紹。