The conditions for ion trapping are studied in the case of uniformly distributed electron bunches and bunch trains in storage rings based on the linear theory.

从线性理论出发，研究了电子束团在储存环里均匀分布和束团串两种情况下离子俘获的条件；

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It seems odd: After all the research Toyota Motor and its partner, Panasonic, have done in the area of advanced lithium-ion batteries, the Japanese carmaker decided that maybe Tesla Motors' crude approach--stringing together a bunch of laptop batteries--is the preferred way to power electric vehicles, at least for now.

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