The Cat's Eye nebula (NGC 6543) is one of the best known planetary nebulae in the sky.
猫眼星云(NGC 6453)是天空中最著名的行星状星云之一。
The sapphire, the ruby and the cat's eye gem are subject to the common people to like.
蓝宝石、红宝石和猫眼宝石备受世人喜爱。
The cat's eye resonator is designed with a cat's eye reflector as the resonator mirror.
将猫眼逆向器作为激光谐振腔的一个腔镜组成猫眼谐振腔。
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