weak cell的意思|示意

But the new paper raises questions about the cell phone industry's claim that its products' emissions are too weak to have any biological effects.

但是，新研究却提出一些疑问，是否像手机行业所宣传的那样，其产品的辐射量极弱，不会产生任何生物效应。

However, inactivity can result in a slow and weak heartbeat that does not sufficiently move the blood to provide oxygen for every cell in the body.

然而，不活动可以导致缓慢而无力的心脏跳动，导致不能充分的向身体各部细胞供血。

Where there are weak cell phone signals these are really good.

哪里有手机信号弱，这些都是非常良好的。