根据流体力学原理，用离散涡方法建立了在复平面上模拟喷嘴出口流场的一套完整模型。
On the basis of fluid mechanics, a comprehensive model for simulating flow field at nozzle exit is developed by using desecrate vortex method.
用一辅助凸透镜与一测微目镜进行平行光束的会聚，测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小；
Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.
在利用地震层位构造图编制盆地区域性等厚图时，可以用断层面的残留厚度来描绘断层在平面上的分布。
In compiling areal isopach of a basin from seismic horizon structure map, we can use the residual thickness at both sides of fault plane to show the horizontal distribution of a fault.
将刮板放置在水平的平面上，用小调漆刀将待测样品搅拌均匀，然后在沟槽最深部分滴入试样数滴，以能充满沟槽而略有余为好。
Place the gauge on a horizontal, flat , non-slip surface . Stir the sample homogeneous with small palette knife , and the pour sufficient liquid into the deep end of the gauge channel.
本文用带消隐线的方法在二维平面上来描绘三维曲面，例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
本文用带消隐线的方法在二维平面上来描绘三维曲面，例如波表面等。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
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