navigation opening 中文意思是什麼
navigation opening
解釋
通航橋孔- navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
- opening : n 1 開，開放；開始，著手；開端，開頭；開場，開幕。2 口，孔，縫，洞；空隙；通路。3 空地，空場；〈...
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" in forging ahead the design of the future global air navigation system, the fundamental issues of safety and security will be the major concerns of the international aviation industry, " said dr assad kotaite, president of the council, icao at the opening ceremony
國際民航組織理事會主席阿薩德?柯臺特博士于開幕禮上強調說：在推進對未來全球空中航行系統的設計時，安全和保安這兩個根本環節將是國際航空界關注的焦點。 -
Abstract : this paper summarizes a series of tests and inve stigations on general layout, const ruction diversion, flood disposal, navigation, river closure, form of gate opening s ection, pattern of energy dissipation and scouring under sluice carried out for f eilaixia proj ect by the scientific research institute of prwrc during the period from 1983 to 1998 and presents their major results
文摘:綜合闡述了珠江水利委員會科學研究所從1983 ? 1998年間對飛來峽水利樞紐的整體布置、施工導流、泄洪、通航、截流、閘孔斷面形式、閘下消能形式、閘下沖刷等所進行的一系列試驗和研究工作，並介紹主要試驗研究成果。
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