tide of long period 中文意思是什麼

tide of long period 解釋
長周期潮汐
  • tide : n 1 潮，潮汐，漲潮時。2 消長，盛衰。3 潮流，趨勢，傾向，形勢，時機，機運。4 【礦山】班，十二個鐘...
  • of : OF ＝Old French 古法語。
  • long : n 朗〈姓氏〉。vi 渴想，極想，渴望 （for 〈古語〉 after to do）。adj （longer longest ）1 長，長的...
  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  1. Shipment traffic usually is heavy in littoral area, the navigation capability is required in many riverway. navigation lock was set to suit for the water level ' s variety caused by tide. for a long period, being lack of the quantified assessment on the influence of saltwater intrusion, approaches that freshwater is inpoured to the lock chamber are adopted lest the high concentration salt water be imported to the inland waterway, when the navigation lock is in operation. but such manner should not be reasonale enough

    沿海地區船運發達，很多河道有通航要求，為克服潮汐造成的水位變化而設置船閘。長期以來，由於缺乏對鹽水入侵內河河道產生影響的定量評估，在船閘運行過程中為防止高鹽度鹹水入侵內河，通常採用將內河淡水打入閘室的方式來調節通航水位，船閘的這種運行方式不盡合理。
  2. In recent years, developing completely along with high grade highway and stereoscopic transportation in cities, bridge development has entered the unprecedented high tide period. among them the box girder occupies important position in developments of the long - span pc beam bridge with its good section - form

    公路及城市立體交通的全面發展，橋梁建設進入了前所未有的高潮時期，其中箱型梁以其優良的截面形式在大跨度pc梁橋建設中佔有極重要的地位。
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