这些并联的发电机所产生的电流累计在一起,总电流达到500安培.The current from these parallel generators will add up to make a total flow of 500 amperes.这种联合使用的形式包括令人厌烦的串 -- 并联的开关.The latter combination included series - parallel switching mechanisms ...
It is also worth tagging on an extra day or two to see the capital.为了看看首都，再多个一两天也是值的。Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.奥尔教授发明了用现有实验室激光设备给化学分子做记号的种...