Ions accelerated by the electric field in the sheath form a shape of beam and a flux distribution on the target surface, which are strongly dependent on the applied voltage.

离子被鞘层中的加速电场加速，以束流的形式注入到工件表面，而束流分布的情况与作用电压有着十分密切的关系。

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The Elder Brother is explaining that these angels will: Begin to cast a beam on the outward shape, The unpolluted temple of the mind, And turns it by degrees to the soul's essence, Till all be made immortal.

大哥解释说，这些天使将会：,在身体上投射光束，在心里未受污染的殿堂上投射光束，把它变回灵魂的本质，直到全部人都变成不朽的人。

耶鲁公开课 - 弥尔顿课程节选

It improved upon older radiation technology with a combination of new software and hardware that could mold a radiation beam to match the shape of a tumor.

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Analysis showed that it possessed exactly the same shape and wavelength of the original beam, although it was slightly weaker.

BBC: NEWS | Science/Nature | Cool clouds turn light to matter