... 自然发生说,无生源说 spontaneous generation, abiogenesis 反向转位 reversed rotation 房间隔缺损 atrial septal defect ...
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reversed polish rotation 逆波兰转换
·2,447,543篇论文数据,部分数据来源于NoteExpress
Direction of rotation can be reversed at start-up or during use with no effect on performance Pumps can run dry without pump failure.
可在启动或运行时调整旋转方向,不会对性能产生影响。
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