治疗亡阳证,汗出清冷,四肢厥逆,脉微欲绝者,应选用的药组是()。
A.附子、肉桂
B.附子、干姜
C.附子、人参
D.附子、细辛
E.附子、高良姜
参考答案:B
在长沙浏阳市的周洛发现了一个很大的野生植物群,这种植物是什么?
Spread spectrum simply means that data is sent in small pieces Over a number of the (46) frequencies available for use at any time in the specified range. Devices using (47) spread spectrum (DSSS) communicate by (48) each byte of data into several parts and sending them concurrently on different (49) . DSSS uses a lot of the available (50) , about 22 megahertz (MHz) .
(48)是()
A.splitting
B.combining
C.packing
D.compacting