截面积

In a steady internal flow the Mach number can only reach 1 at a minimum in the cross-sectional area.

在一个稳定的内部流动马赫数只能达到一在最低限度，在截面积。

This represents a two percent increase in throat cross-sectional area.

这是一个增加2％，喉咙截面积。

The cross-sectional area of this runner type is about 82% of that of the corresponding round runner.

当然，假如要求相似的横截面积，则D值（图4.2d）必须相应地增加。

The ratio of downcomer to riser cross sectional area, the bottom clearance and the ratio of height to diameter of the reactor are proved to be important of the cell growth behavior.

下降室和上升室的截面积比，底部系数，高径比这些几何参数和表观气速都与细胞的生长紧密相关。

It researches the regularity of A(geometrical cross section area of valve),Sc(obtained by the definition of effective cross section area of valve),Sa and Sv(obtained by sonic velocity air exhaust method) to the change of the opening of valve,x...

研究了A，Sc(根据试验由有效截面积S的定义算出)，Sa及 Sv随阀开度x变化而变的规律，通过对比探讨了求解以上各种有效截面积方法的可靠性及相互关系等。

It mainly studys approximate engineering synthesis algorithm about effective cross section area of valve, Sa, which synthesis by geometrical cross section areas of restrictor in valve flow channel.

重点研究了由阀流道节流口几何截面积合成阀有效截面积 Sa 的近似工程合成算法。

It researches the regularity of A (geometrical cross section area of valve), Sc (obtained by the definition of effective cross section area of valve), Sa and Sv (obtained by sonic velocity air exhaust method) to the change of the opening of valve, x. By contrastive method this thesis discusses the reliability and correlation of all methods above for solving effective cross section area of valve.

研究了 A， Sc （根据试验由有效截面积 S 的定义算出）， Sa及 Sv随阀开度 x 变化而变的规律，通过对比探讨了求解以上各种有效截面积方法的可靠性及相互关系等。

Influence of skin effect and proximity effect must be considered both for phase line and neutral line if total harmonic distortion of current is obvious and the cross section of conductor is big.

不管是相线还是中性线，只要谐波电流的畸变率大，导线截面积大，集肤效应和邻近效应的影响就必须考虑。

The cross sectional area of 1.0 qmm will be deleted from the certificates.

现有证书将进行调整，也即，截面积为1.0的线将从证书中取消。

Then,the linear regression equation of height to the mini-cross sectional area of femoral neck was concluded.

测量身高后，用CT对其右侧髋关节扫描，利用计算机测出股骨颈的最小横截面积。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。