New taxa of the genus Aspidistra ( Liliaceae ) from Sichuan.四川 百合科 蜘蛛抱蛋属新植物.TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )云南平结蚁属二新种 ( 膜翅目: 蚁科 )SIX NEW SPECIES OF THE GENUS Gonio...
Because of their simplicity, bipolar lead systems were the first to be used in clinical electrocardiography.因为它们简单, 双极导联最先用于临床心电图学.Objective To study electrocardiography diagnosis of ischemia in patients with ventricular...
DMA首先装满行缓冲器.The DMA will first fill the line buffer.这种模拟可以粗略地用一组弹簧和并联的缓冲器来表示.This can be represented schematically by a series of springs and parallel dashpots.双电磁阀 ( 电磁缓冲器 ) 和伺服阀回路平行布置.A two - solenoid valve ( battery -...