“beam divergence angle”的概念、定义、翻译、参考文献-科学参考

单词	beam divergence angle
释义	beam divergence angle Physics 光学、声学光学 beam divergence angle[光]束发散角＞光学＞激光＞释义 beam divergence angle束发散角 beam divergence angle[光]束发散角^†
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