飞机总体设计中 mean-wing t/c ratio
请问关于飞机设计的 aspect ratio 是啥比啥 请说明 thanks
口语中 I don't mean
t检验中,常说总体标准差未知,但是为什么知道总体平均数呢?知道了总体均值不就容易知道总体标准差吗?
matlab中mse(i)=mean(c(i,:).^2,2)-mean(c(i,:),2).
you don't mean it在口语中是什么意思?
在英语中ratio怎么用
current transfer ratio 在电子中!
intelligence doesn't mean
doesn't mean angthing
C语言设计中,语句:t=a;a=b;b=t; 有什么作用?》
I didn't ______ to hurt you.A:mean B:plan C:arrange D:intent
what do you mean that a by say b through say c by saying d t