gravity lines 中文意思是什麼
gravity lines
解釋
重力導管-
The tremendous mass of earth dimples this fabric, much like a heavy person sitting in the middle of a trampoline. gravity, says einstein, is simply the motion of objects following the curvaceous lines of the dimple
地球的大質量能令這時空出現彎曲，假若時空像一張彈床，情況就像一個體形笨重的人坐在彈床上，會令彈床下陷出一個淺坑一樣。 -
Chapter 6 provide a study on the delivery network of port physical distribution system, and we define single physical distribution center location by the center - of - gravity method, multi - physical distribution center location by clustering - based method and dynamic physical distribution center location by dynamic programming model, and the lines of vehicles have been optimized by vehicles scheduling program ( vsp )
第六章主要是探討港口物流系統的配送網路，運用重心法確定單個配送中心選址、分組法解決多個配送中心選址和動態規劃解決配送中心動態選址問題，並用里程節約法（ vsp法）對配送線路進行優化，尋找最佳運輸線路。 -
In terms of efficiency in energy consumption, traveling among planets in straight lines not from desirable. today, space probes customarily make use of hohmann transfer orbits and gravity assists in their interplanetary endeavours. this method, though still quite costly, does help to save fuel to a certain extent
在太陽系的行星中穿梭，直線航行並非理想的路線，現在的探測船均使用赫曼轉移軌道以太陽為焦點連接行星的橢圓軌道，再配合行星推助的技術航行探測船經過行星時偷取行星的能量加速或減速。 -
Test method for installation acceptance of plastic gravity sewer lines using low pressure air
使用低壓空氣對塑料自流排水管道進行安裝驗收的試驗方法 -
Test method for installation acceptance of plastic gravity sewer lines using low - pressure air
使用低壓空氣對塑料自流排水管道安裝驗收方法
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