- 推荐网络例句
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J. Imbeger and financially assisted by a University of Western Australia postgraduate Studentship.
该项研究工作得到了该大学研究生助学金审议会的资助。
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That was 1 of the 3 days I had work as a mail carrier.
这是我当邮务员 3 天里的其中 1 天。
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Limits to the minimum spot size, imposed by space-charge effect, emittance and spherical and chromatic aberrations of the lens, are investigated by means of a five-order radial trajectory equation, the K~V envelope equation and an analytical method.
理论上，利用推导的非线性轨迹方程、K-V包络方程及解析方法研究了空间电荷效应、发射度、透镜球面像差和色散像差对最小焦斑直径的限制并对聚焦实验布局和参数进行了优化选择。
Don't
stop moving...