Stimulation of the autonomic nervous system can occur owing to hypoxia or hypercarbia from depressed ventilation.自主神经系统兴奋作用的发生是由于通气受阻而导致的低氧血症和高碳酸血症引起的....
The magnification is 833,333 times the original size.放大倍数为实物大小的833,333倍。Pores are visible without magnification.毛孔无须放大就可以看见。The insects were examined under magnification.这些昆虫是放大后加以观察的。...