“directional light source”的概念、定义、翻译、参考文献-科学参考

单词	directional light source
释义	directional light source Encyclopedia 理学光源释 directional light source平行光源平行光源是理想化的发出光线平行无发散的光源。
随便看	diastereomeric excess diastereomeric excess [precent] diastereomeric excess precent diastereomeric ratio diastereomerism diastereoselective synthesis diastereoselectivity diastereotopic diastimeter diastole diastolic murmur diastolic pressure diastrophism diathermal diathermal wall diathermancy diathermaneity diathermanous diathermic diathermically isolated system diathermic wall diathermocoagulation diathermometer diathermous diathermy

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