The ion manipulation arrangement (140) is in particular beneficial for high-end X-ray-tubes including an electrical field-free region (131).

所述离子处理装置(140)特别有益于包括无电场区域(131)的高端X射线管。

youdao

The influences of the electronic induction drag on the variation of the orbital elements of a charged satellite moving in a magnetic-field-free ionosphere are studied.

研究了在高空电离层中运动的带电荷的卫星受电感应阻力后对轨道根数产生的摄动影响。

youdao

In the field, the endives were mostly care free.

在田间，菊苣大部分都不需要打理。

youdao

Cole wriggled free of his marker in centre-field and drove forward before sending Duff free with a delightful pass.

BBC: Blackburn see off Baggies

The visitors ventured up field and won a free-kick after a foul on Paul Hartley but Sone Aluko's shot was high over the target.

BBC: Rangers 2-0 Aberdeen

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