backward edge 中文意思是什麼
backward edge
解釋
后刃-
Here a light ray hitting the edge of a water droplet is reflected twice at an angle of about 83 degrees within the droplet. thereafter it clings to the surface of the droplet and is conveyed the rest of the way around the droplet to the backward direction 180 degrees
上圖顯示光線自水滴邊沿進入，作兩次大約83度角反射后，再跟著水滴邊沿傳送到光線進入時的反方向180度。 -
It can be used to grind straight line fiat edge, pencil edge, og edge, etc. it adopts synchronized belts two belts, two side holding and synchronized drive to transmit glass, the upper belt can be adjusted vertically according to the glass thickness, two groups of spindles are distributed symmetncally, it can grind two sides at the same time, one of the two groups of spindles is fixed while the other can move horizontally, spindles adjustment can be made in three directions vertical rise and fall, horizontal forward and backward
可用於磨削直線平邊圓邊og邊等採用同步皮帶雙帶雙側夾持同步驅動傳送玻璃。上帶可根據加工玻璃厚薄作上下調整，兩組唐頭對稱分佈，平行雙邊同時磨削，兩組磨頭其中一組固定。另一組相對可作平行移動，磨頭調整有三種運動垂直升降水平進退以及翻轉。 -
Calculation indicated that there is 11. 2295 million cubic meter slided loess from 1980 to 1998. the area and the volume of yuan becomes smaller and smaller, and yuan edge becomes backward continuously due to the happened frequently loess landslide
近年來，黃土滑坡的滑動土體共達1122 . 95萬m3 ，滑坡使塬面面積不斷縮小，塬邊不斷後退。
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