Star light has many types, such as four light, type six light, etc.

星光镜有多种型号，型如四道光、六道光等。

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Adopting a method of four light beam exposure at the same time, the diffraction efficiency of the gratings is increased.

采用四光路同时曝光，提高了光栅的衍射效率。

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When spring's light comes, the melatonin diminishes, and suddenly we are awakened to the dusty, virus-filled house we've been hibernating in for four months.

当春天的阳光来临时，褪黑激素减少了，突然间我们被唤醒，回到了我们冬眠了四个月、布满灰尘、病毒的房子。

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The four levels of rooms center on a beautiful courtyard with a glass ceiling to let light shine in.

VOA: special.2009.01.11

On day four, The heavenly bodies that give off light by day or night are created.

在第四天，那些在白天或者晚上发光的天体被创造了。

耶鲁公开课 - 旧约导论课程节选

There's a fear here that the ambition of this bid for paternal light is presumptuous, perhaps it's even satanic Satan of course in the next book, Book Four will have his invocation to light.

人们会担心弥尔顿认为光与上帝差不多的想法,过于胆大妄为，或许是极恶的,当然，第四卷里的撒旦,也会祈求光明。

耶鲁公开课 - 弥尔顿课程节选

Alpha Centauri, our nearest stellar neighbor, is four light years away.

FORBES: Searching for the Siblings of the Sun

The United Arab Emirates is also building nuclear power reactors, four Korean light water rectors, in full transparency and with full support from the international community.

FORBES: Israel Has Nuclear Weapons, But Only Iran Has Nuclear Power

Amazon's light guide technology precisely diffuses the light across the screen and only requires four LEDs to light the entire screen (unlike LCD screens which can use up to 50 LEDs).

ENGADGET: Amazon announces $119 Kindle Paperwhite with illuminated, capacitive touch display