As a rule of thumb , the minimum device feature is about 4 times the beam diameter.
一般来说, 最小器件图形大约是电子束直径的4倍.
center to end oustside diameter of band minimum wall thickness length of thread min a g d c
中心至端面端部外径最小壁厚螺纹长度
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The minimum and maximum girdle diameters are determined by taking a number of diameter measurements.
最低纲领与最高束腰直径决意采取了若干直径测量。
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As a rule of thumb, the minimum device feature is about 4 times the beam diameter.
一般来说,最小器件图形大约是电子束直径的4倍。
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