在匀强电场中, 电力线是平行的直线, 其间隔是均匀的.In an uniform field, the lines of force are straight parallel, and uniformly spaced.它本身是绝缘体,其导热能力优于铜,并能承受极高的强电场.It is insulator but its thermal conductivity is better than Cu.研究压电弯曲执行器在强电场作用下的非...
必须小心使用这种仪器,不能称过重的东西.The care of such instruments cannot be stressed too much.负荷过重的心脏,可能承担额外的压力负荷或容量负荷.The overburdened heart may be carrying an extra pressure or volume load.我们在使用我们既属有限而又负担过重的空军时,必须考虑到一切意外事件.We have to c...
An example of negative eugenics would be the attempt to eradicate a harmful recessive gene.消极优生学的范例是试图破坏一种对人体有害的隐性基因.These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended b...
全球首映是在1956年8月。The world premiere took place in August 1956.这部纪录片在耶路撒冷电影节首映。The documentary premiered at the Jerusalem Film Festival.她弄到了一张首映之夜的请柬。She had wangled an invitation to the opening night....