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long distance telephone call
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long distance telephone call
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beam deflection valve
beam deflector
beam density
beam depth
beam deviation factor
beam deviation loss
beam diameter
beam diaphragm
beam direction
beam directionality
beam directional stability
beam displacement
beam divergence
beam divergence angle
beam diverging
beam diversity
beam divider
beam doffer
beam dosimetry
beam drill
beam droop
beam drop
beam drying machine
beam dump
beam-dump magnet
科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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