| 释义 |
1 ?纸张表面效能 ... 纸张长度(以英码计)：yardage 纸张表面效能：paper surface efficiency 纸张比重;纸张表面积比率：sheetage ... 2 ?纸张的表面效率 PSE(%)=100-A(%)+G(%)/2 PSE—纸张的表面效率（paper surface efficiency）; A—纸张的吸墨能力； G—纸张的光泽度。 纸张的特性 12)含水量 是以纸张中所含水分的重量与之纸张重量作百分比表示。
- 1
In this paper, the CBN grinding wheel of high efficiency, accuracy and surface quality was studied by means of low pressure abrasive water jet. 采用低压磨料水射流对高效率、高精度、高表面质量的CBN(立方氮化硼)砂轮进行了研究。 - 2
In this paper, problems of dropping load rate, efficiency and rising operation energy consumption of surface engineering system during oil field exploitation are studied. 针对油田开发过程中地面工程系统的负荷率下降，效率降低，生产运行能耗升高的问题开展了研究。 - 3
In order to enhance the machining efficiency of a large symmetrical freeform surface, this paper put forward a new concept of symmetrical machining(SM), analyzed the characteristics of SM. 为了提高大型对称自由曲面的加工效率，提出了一种新型的对称加工方法，并分析了对称加工的特点。
|