而使用激光器则意味着收集器面积仅需达到几十平米。
Using a laser means the collector need be only tens of square metres in area.
服用时需小心谨慎，如药品导致使用者出现鼻青、脸肿等现象，则必须马上停止服用，没有则可继续使用。
Take carefully while taking, for instance medicines cause users to present the nose blue and green, with swollen face, must stop taking at once, can continue using.
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