Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.

介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。

youdao

If the probability is 1 in 1,000 that a house burns down and there are 1,000 houses, then the probability that they all burn down is 1/1000 to the 1000th power, which is virtually zero.

如果一栋房子着火的概率是千分之一,然后假设有1000栋房子,那么这一千栋房子全都着火被烧掉的概率,就等于千分之一的一千次方,基本上就是0了

耶鲁公开课 - 金融市场课程节选

Goldman was also allowed to become a commercial bank, giving the glorified gambling house something it never had before, the power to get nearly-zero-interest loans from the Fed.

WSJ: Warren Buffett & the Vampire Squid

Sojka said that the company will release new variable-assist software option in June that'll let patients contribute from zero to 100 percent of the walking power, with the exoskeleton providing the rest -- though there's no pricing yet for that update.

ENGADGET

In our emerging G-Zero world, with no single power able to set the agenda, the winners and losers of the next generation will be determined not by the rubrics of the moment but by how well and often they are able to pivot.

WSJ: Ian Bremmer on Pivot States