紧凑的外壳，小光束直径，推动式输出，IP 65。
IO-Link, compact housing, small beam diameter, push-pull output, IP 65.
光束的光衍射是一种很优越的特性，它能在一定的空间内提供高准直的微小光束。
Nondiffracting beam has excellent properties which can produce very tiny beam with good collimation.
经过对褐色组织的结构进行分析，还发现其中含有多条沟槽。通过将光线导入各个组织中并将它们分散为更小光束，这些沟槽起到捕捉阳光的作用。
A structural analysis of the brown tissues also uncovered grooves that capture light by channeling rays into the tissues and breaking them apart into smaller rays.
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