“low temperature optical system”的概念、定义、翻译、参考文献-科学参考

单词	low temperature optical system
释义	low temperature optical system Encyclopedia 工学红外光学系统释 low temperature optical system低温光学系统在探测目标信号很微弱时，如深空背景的宇宙红外波段或工作时需冷却到低温的光学系统。
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