To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.Aspergillus Oryzae mutants . High pressure seems an efficient approach for mutagenesis.继各种化学制剂、各种射线诱变等方法之后, 高压不失为一种行之...
The gunboat opened fire on the mainland.炮艇朝陆地开炮.Lieutenant Campbell ordered the man at the wheel to steer for the gunboat.坎贝尔上尉命令舵手将船开向炮艇。We bid for the construction of a gunboat.我们投标造一炮艇....
该队队员装扮成毒品贩子，诱捕罪犯头目。The team posed as drug dealers to trap the ringleaders.叛军头目是一名在逃的不法之徒。The rebel leader was a fugitive from justice.敌人头目众叛亲离.The enemy chieftain was opposed and deserted by his followers....