The existence of a space charge field and its strong focusing properties are tested experimentally.

实验验证了空间电荷场的存在及其强聚焦特性。

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Sufficient and necessary conditions of stability in terms of eigenvalues of the transfer matrix are given for the motion of a charged particle in a strong-focusing accelerator.

本文对强聚焦加速器中带电粒子运动的稳定性乃至一般的N维周期性线性系统的稳定性给出用转移矩阵的特征值表示的稳定性充分必要条件。

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He heads the Muhammadiyah, a 28-million-strong conservative Muslim organization focusing on social and educational activities.

CNN: 'He Is the Problem'

My passion for building products is as strong as ever and I look forward focusing my energy and creativity along similar lines.

FORBES: Microsoft Shares Slump On Concerns About Sinofsky's Exit

But with their popularity floundering in the polls, both leaders are focusing on how to appear strong at home rather than united in Europe.

BBC: Merkel and Sarkozy want EU to ban high-risk trading