In a realistic crystal growth system, convection in melt is always unavoidable, therefore, the paper studies the crystal growth with the effect of convection in melt.
在实际晶体生长过程中，熔体对流对晶体生长的影响是不可避免的，因此本文研究有对流作用的晶体生长问题。
2
In addition, mute oil free compressor USES air convection principle, to achieve the natural cooling effect.
另外，静音无油空压机采用空气对流原理，达到自然冷却效果。
3
The effect of convection differs with the laser power.