Amplifier self - oscillates at a frequency depending on the velocity of the fluid.放大器自激振荡的频率就取决于流体的速度.His mood oscillates between euphoria and depression.他的心情在幸福感与沮丧的两极端间游移((一下心花怒放,一下又变得愁眉苦脸)).In this way the torso oscil...
这是一本关于地名的词典.This is a dictionary of place name.凡本书提及的人名、地名均编入索引.All persons and places mentioned in this book are indexed.你可以查地名字典.You can consult a dictionary of place names....