follow-up channel 中文意思是什麼
follow-up channel
解釋
回授迴路-
The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious
結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。 -
Up - stream boats didn t generly come close to us ; they go out and follow the bars and hunt for easy water under the reefs ; but nights like this they bull right up the channel against the whole river
下游開來的船，一般開來時不會和我們很靠近，它們開出去時沿著沙洲，挑暗礁底下水勢平緩的水上走。不過，在這樣的夜晚，它們便不顧一切往水道上拱，彷彿跟整個兒的大河作對似的。
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