I was a little breathless and my heartbeat was bumpy and fast...我有点儿喘不上气，心脏咚咚地快速跳动着。Experimenters have succeeded in controlling the rate and regularity of the heartbeat.实验者已经成功控制了心跳的速度和频率。Each heartbeat has two basic par...
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置变化可以得到端机的跟瞄精度.This paper discusses the design of deformable mirror in order to obtain special facula.本文就此叙述了变形镜面形的设计,以得到指定形状的光斑.So a n...