一阶环节的特征参数是放大系数K和时间常数T,其数值的大小,直接影响环节输出的()。
A、幅值大小
B、相位滞后
C、变化斜率
D、变化速度
参考答案:A, D
—Maths isn't as as Chinese.
—I agree with you. I think Chinese is than any other subject. [ ]
A. easy, easier
B. easier, easier
C. easy, easiest
D. hard, the most difficult
下列哪项不属于原发性肾病综合征常见的病理类型()
A.微小病变型
B.系膜增生性肾炎
C.毛细血管内增生性肾炎
D.膜性肾病
E.局灶性节段性肾小球硬化