被控对象的传递滞后也称为()
A、容量滞后
B、纯滞后
C、过渡滞后
D、系统滞后
参考答案:B
全口义齿戴入后,一般不会引起全口义齿基托折断的是()
A.力不平衡
B.基托较薄
C.牙槽骨继续吸收
D.基托与黏膜不贴合
E.垂直距离恢复的不够
In the piano contest, my brother didn’t play well and I did_____.
A.very well
B.much better
C.very good
D.even worse