所谓脉冲当量是指()。
参考答案:数控装置发出一个脉冲信号机床执行部件的位移量
After ________ with the saleswoman, I got the beautiful dress at the price of 50 yuan at last. [ ]
A. debating
B. talking
C. discussing
D. bargaining
某男,62岁,进行性排尿困难5月余,伴头晕目眩,腰膝酸软,失眠多梦,咽干。舌红苔黄,脉细数。前列腺指诊:前列腺Ⅱ度增大,中央沟变浅,光滑有弹性,诊断为精癃,治宜()
A.八正散
B.萆薢分清饮
C.补中益气汤
D.知柏地黄汤
E.龙胆泻肝汤