If the note of D is sounded on a harp, all the corresponding D strings of other octaves will likewise resonate.如果用竖琴演奏D音符，其他八度音阶所有相应的D弦都将发出共鸣。The other circuit is designed to resonate close to the desired frequency.把另一线圈...
A still more difficult distinction is that between a sharp flexure and a fault.区别尖锐的挠曲和断层更加困难.Flexure scratched the head, said that here thing was expensive, discounts?挠挠头, 说这里东西都贵, 打折 吗 ?During left LPN , the spleen, sp...
他精通机械，了解许多有关声音的知识。He was a very mechanical person, who knew a lot about sound.这个声音的声波如图B所示。The sound waves of the voice could be diagramed as in B.听自己声音的录音回放对特德可能会有帮助。Ted might benefit from hearing his own voice recorded...
In 1957, the Soviets launched Sputnik 1 into outer space.1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。A public challenge could provoke the Soviets to dig in.公开挑战会促使苏联人一意孤行.The Soviets would more than recover the ground they had lost.苏...
Can lienal deficiency of yang cause those symptoms? Can you use those medication ing?脾阳虚可导致那些症状? 可用那些药物治疗?Depression is usually treated successfully with professional counseling or antidepressant medication.通过专业的开导或服用抗抑郁...