harmonic pencil
低光束 Low beam
低能电子束辐照 low energy electron beam irradiation
低真空电子束焊机 partial vacuum electron beam welder
低能束流输运线 LEBT
低能离子束 Low energy ion beam
低能团簇束沉积法 LEBCD
低钙束臂征 [内科] Trousseau sign
低流强束 low-intensity beam
低密度粒子束 low-density beam
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因为束于资本内部之钱，回报率低，这也意味着低利润。
Because money tied up in capital earns lower returns, that would mean lower profits.
介绍了一种低功率圆柱形阳极层离子源的工作特性和束流分布特性。
A low power cylindrical anode layer ion source and its working characteristic, and the beam distribution are introduced.
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