闭环进给伺服系统
参考答案：
将检测元件装在执行部件上，直接测量执行部件的实际位移来进行反馈的进给系统。
患者，女，29岁，已婚。近1年月经后期量少，现已停经4个月，伴五心烦热，潮热颧红，舌红少苔，脉细数。尿妊娠试验阴性。其治法是
A．养阴清热调经
B．理气活血通经
C．豁痰活血通经
D．益气养血调经
E．补肾养肝调经
The nurse instructs the client with hemorrhoids about how to decrease the discomfort. Which of the following interventions would be most likely recommended by the nurse（）
A. Decrease fiber in the diet.
B. Decrease physical activity.
C. Take laxatives to promote bowel movements.
D. Use warm sitz baths.
