Taking advantage of this effect , a new gene transfection method utilizing simp as transfection helpmates was developed .

并基于该效应发展了一种以二氧化硅微颗粒为转染伴侣的基因转染新方法。

The past few weeks , in particular , have seen a sequence of events that could yet prove to be the tipping point that turned dextrous but limited industrial robots into handy helpmates around the home .

特别地，过去几周发生了一系列事件，这些事件迟早会被证明是将机巧但有限的工业机器人转变成便利的家庭帮手的一个转折点。