本研究运用一种置于大脑之上而无须穿入的新型非穿透性微电极。
The study used a new kind of nonpenetrating microelectrode that sits on the brain without poking into it.
一种中心静脉穿刺针，解决现有穿刺针无法准确判断穿刺针穿入的血管是静脉还是动脉的问题。
A centre vein puncture needle solves the problem that the existing puncture needle can not accurately decide that a blood vessel being penetrated into by the puncture needle is a vein or an arterial.
子弹从哪个部位穿入身体的？
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