例句與造句

1. G . as a comparison , the magnetic field on earth is about 1g , and artificial magnetic fields created in laboratories seldom exceed 10
   高斯不等相比之下，地球的磁場(chǎng)約為1高斯，而實(shí)驗(yàn)室制造出來(lái)的人工磁場(chǎng)亦很少超逾10
2. It's difficult to find artificial magnetic field in a sentence. 用artificial magnetic field造句挺難的