Q system, adjustable import acoustooptic light effect is good, light lock loss, high power output for a long time, ensure the stability of laser system.

进口声光调q系统，锁光效果好，光损耗小，输出功率高，确保激光系统长时间稳定工作。

youdao

'She likes to loosen light bulbs, to lock doors - but nothing harmful.

BBC: The haunted land of New England

After that, they had to beat a combination lock, key lock, heat detector, motion detector, light detector and more.

CNN: Diamond heists are forever

Even the lock screen is self-explanatory -- it's depicted as a light switch.

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