完全随机设计资料方差分析的总变异分解为随机区组设计资料的方差分析总变异的分解为
参考答案:C,A
You'll have to be patient ______ my mother ----she's going rather deaf, which ,after all,also makes her badly cut ______.
A.at; up
B.with; up
C.for ; down
D.on; off
外围设备大体分为输入设备,输出设备,外存设备,数据通信设备和 【18】 五种。