In the kinetics of electron cyclotron masers, the method based on the local field expansion in the guiding center frame has many advantages.

在电子回旋脉塞动力学理论中，以电子回旋中心坐标系中场的局部展开为基础的方法有很大的优点。

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The core of center model operation method is the products-guiding jobdisintegration, which covers design, manufacture and whole management links.

产品导向型作业分解是中心制造船模式下的运作方式的基础，关系到设计、制造和整个管理环节。

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