在变量数列中,影响平均数大小的是次数本身。()
参考答案:错
Maybe if I sicence, and not literature then, I would be able to give you more help.
A.studied
B.would study
C.had studied
D.was studying
可摘局部义齿中,减少义齿力的方法,不包括()
A.选用塑料牙
B.降低牙尖斜度
C.减小人工牙的颊舌径
D.减少人工牙的咬合接触
E.在游离端义齿修复中可减少人工牙数目