Things might have been different if I'd talked a bit more.如果当时我再多说一点的话，结果或许会不一样。He cracked jokes and talked about beer and girls.他爱说笑话，喜欢谈论啤酒和姑娘。As he talked, an airforce jet screamed over the town.他谈话时，一架军用喷气式飞机在镇子...
Obvious examples are potentiometers and tachogenerators to monitor the posit ion and speed of a shaft.反映转轴位置和速度的电位器与测速发电机是我们最熟悉的传感器的例子.The tracking precision is got by measuring the far - field facula posit.通过测量回馈光远场光斑的位...