具有直接或间接加热的阴极的电子管四极管.Tube tetrode with directly or indirectly heated cathode.拖到绘图页后,可以添加具有直热式或旁热式阴极的电子管四极管.Drag onto the page to add a tube tetrode with directly or indirectly heated cathode....
So far the effect is barely measurable.迄今为止，效果微乎其微。Economists emphasize measurable quantities — the number of jobs, the per capita income.经济学家看重的是可测定的量——岗位数量、人均收入等。Both leaders seemed to expect measurable progress.两位领导人似...
This is an ineffective method of controlling your dog.用这种方法控制你的狗不起作用。The new drug was ineffective.新药不起作用。The court is ineffective because it lacks the necessary enforcement machinery.法院效率低是因为缺乏必要的执行机制....