V to undergo or cause to undergo precession 进动; 使进动
Apply magnetic force to an electron, and its poles will precess-the axis itself rotates in a circle.
把磁力加在电子上，电子的两极会开始进动——它的转轴本身会绕圈圈。
The improved precess and procedure are more suitable for industrial production because of higher yield and lower cost.
该合成工艺条件与方法能有效提高反应收率，降低生产成本，适合工业化生产。
This article tells how to select the structure of organic heat carrier boiler, arrange the heated surface and prepare precess flow.
文章着重对有机热载体锅炉结构型式的选择、受热面的布置，以及工艺流程等作了阐述。
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