unit area中文什么意思

例句与用法

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1. En 2557 aerospace series . carbon fibre preimpregnates . determination of mass per unit area
   航天航空系列.碳纤维预浸织物.单位面积质量测定
2. Carpets . determination of number of tufts and or loops per unit length and per unit area
   地毯.单位长度和单位面积簇数和或毛圈数目的测定
3. Textile glass fibre preimpregnates - test method for the determination of mass per unit area
   纺织玻璃纤维预浸渍.测定单位面积质量的试验方法
4. The amount of cell flaws per unit area of composites could be the key factor causing this . 5
   此现象似与木材与聚合物界面之泡沫缺陷数有关。
5. The pressure at point x is the weight of the column of air above the horizontal surface of unit area
   X点的气压值相等于其上面空气柱的总重量