parallel cases,except that one is younger than the other情况类似，只是一个比另一个年轻一些It is most often diagnosed in women in their thirties and forties, although I've seen it in many younger women, as well...这种病一般多发于三四十岁的女性，但我也见...
这种作用就称为谐波畸变.The effect is termed harmonic distortion.我们已经叙述了用谐波的符合来表示谐合的规则.We have stated a rule for consonance in terms of the coincidence of harmonics.推导出了用多极场空间谐波函数表示的磁矢位的通项表达式.General expressions of the magnetic vect...