从速率方程出发，根据泵浦光和振荡光的场分布函数，进行了简单的数值模拟，模拟结果与实验结果能够较好的吻合。
Staring from the rate-equation theory , according to the field distribution function , some simple mathmatical simulations are made which meet the experiment better.
所谓真空于燥，就是将干燥物料处在真空条件下，进行加热干燥，如果利用真空泵进行抽气抽湿，则加快了干燥速率。
It is well known that vacuum drying is to put raw material under the state of vacuum for heating and drying. If use vacuum to pump air and humidity out, the dry speed will be faster.
这种调速泵是一个容积式泵，用来确保产品以确定的可接受的速率流过整个设备。 收藏。
The timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate.
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