substantial drag是什么意思

用法例句

So far in civil law system,the equivalent causality theory has been the most popular among all the other causality theories.

大陆法系关于侵权责任因果关系的通说为相当因果关系理论。

The application of NMR method on the determination of the equivalent water content in N_2O_4 was introduced.

介绍了核磁共振(NMR)法在N2O4中相当水含量分析检测方面的应用,包括标准曲线核磁共振法,内标物核磁共振法,重点叙述了富氘纯物质作为内标物检测N2O4中相当水含量时的准确性和灵敏度。

Standardized the wind speed by Rayleigh frequency distribution,a concept named equivalent wind speed was presented;Taken the cut-in and cut-off wind speed of wind turbine into account,a concept named active wind power density was presented.

利用风速频率瑞利分布对平均风速进行均一化,提出相当风速的概念;通过对风功率密度进行分析,考虑到风机工作风速区间,提出有功风功率密度概念。

The replaceable system model is established through simplifying the complicated parallel axis system.

该文通过对复杂平行轴系统简化,建立了相当系统模型,并给出了简化后的计算公式,具有很强的实用性。

But the comparison of corresponding stresses derived from the two yield criteria in the σ2-σr coordinate is very simple and clear.

采用σ２－σｒ坐标系，简明、定量地比较Ｔｒｅｓｃａ屈服准则和Ｍｉｓｅｓ屈服准则下的相当应力。