起船閘 的英文怎麼說
中文拼音 [qǐchuánzhá]
起船閘
英文
shihoist-
The positive is that as a substitute of old channel or a part of the new channel shiplock maintains the continuation of channel and makes possible the channel free from navigational obstruction and waterway transportation progress. the negative is that shiplock at the same time brings some problems to waterway transportation, such as the long time passing through shiplock, the piling up of vessels, making less other ' s benefits and making more other ' s costs, making conditions and forms of transportation change, making more complicated the waterway transportation safety management and navigation order keeping, and adding up transportation costs
在經濟學意義上，船閘具有正負外部性，正的外部性為，船閘作為原航道的替代物或新航道的一部分，保證了航道的連續性，為保證航道暢通、航運發展提供了可能；負的外部性為，船閘同時給航運帶來了一些問題，如船舶過閘時間長、船舶積壓，引起他人效用的減少和成本增加，以及運輸組織條件、方式改變，使水上交通安全管理和船舶航行秩序維護更加復雜，增加運輸成本。Since the underwater level is basically immune to the changes of rainfall, the seepage flow is steady on the whole
巖體裂隙中的地下水位基本不隨降雨量的變化而起伏，船閘區巖體滲流非穩定特性不明顯，基本屬于穩定滲流。
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