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molecular beam
 molecular beam
met. 分子束
| type
 type
gen. ; ; 打字
dat.proc. 键入
hydroel.st. 类型; 种类; 式样
math. 类型,序型
| maser
 maser
met. 微波激射器

to phrases
molecular-beam
avia. 分子束
molecular beam
met. 分子束
molecular beam type maser
: 60 phrases in 8 subjects
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