释义 |
beam diameter- 英?[bi:m dai??mit?]
- 美?[bim da???m?t?]
实用场景例句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. 辞典例句 Bridge with nine wooden Heng Jia, flat - beam diameter of 35 cm range. 桥身用九根大木横架, 平梁直径35厘米不等. 互联网
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