Due to the prodigious proportion of medium and big electronic equipment in power line, the research of three phase reversible converter is becoming the researching hotpot on international and native.
由于中大功率的电力电子设备在电网中占很大的比重，因此高功率因数的三相可逆变流器的研究已成为当今国内外研究的一大热点。
Conclusions (1) Children can develop reversible CAN after the exposure to high or low osmolality contrast medium.
结论（1）肾功能正常的儿童应用高渗或低渗造影剂均可发生可逆的造影剂肾病；
The Te-O thin film as a reversible optical recording medium is a very promising material.
碲氧薄膜是很有希望的可擦写光盘介质材料。
The present invention provides a heat resistant improver and a reversible thermosensitive recording medium.
本发明的名称是耐热性改进剂和可逆热敏记录介质。
WT35-11 comes as an axial-flow roof fan that features low and medium levels of pressure and heavy wind flow and can be geared to the needs of blowing, exhaust and double-rotation reversible mode.
WT35-11型为屋顶轴流式通风机，该风机为中低压大流量风机，可设计成送风、排风或双旋转可逆式。
A model of percolation flow through non-perfectly reversible deformation medium and its numerical solution;
反之，用数值解来分析精确解的完整性也是一种有意义的方法。
A model of percolation flow through non-perfectly reversible deformation medium and its numerical solution;
反之，用数值解来分析精确解的完整性也是一种有意义的方法。
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