"正冲"是个多义词，它可以指正冲（相学八字地支相冲）,正冲（湖北黄冈罗田县三里畈镇夏家铺村辖自然村）。
研究结果表明：通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失，提高了离心通风机性能。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
一对夫妇正驶向出口，为不撞上他不得不避让，冲他鸣笛，拳头砰的一声打在他们发动机罩上，他大喊道，“见鬼去吧！”
A couple driving toward the exit had to swerve out of his way and they honked at him. He slammed his fist against their hood, Shouting, "Go to hell!"
与此同时，Chrome正披荆斩棘往前冲，事实上在过去的一个月，Chrome是唯一让人感到乐观的浏览器。
Meanwhile, Chrome is still pushing steadily forward; in fact, it was the only browser to show positive growth last month.
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