批量生产过程可以用以下统计模型 来描述,其中 是子组内(Within Group)的标准差, 是子组与子组之间(Between Group)的标准差, 与 是代表标准正态分布N(0,1)的随机变量。由该模型我们有[3]:
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between group design 组间设计
between-group error 组间误差
between-group effect 称为组间效应
between-group design 组间设计
Between group sum of square 组间平方和
Between-group linkage 组间平均链锁 ; 组间平均连接距离
To overcome that feeling, she has been testing “Sister Circles, ” discussion groups that fall somewhere between group therapy and encounters in social settings familiar to the black community.
为了克服那种感情,Neal-Barnett一直在试验“姐妹圈”的活动。 或在团体治疗中,或在黑人社群熟悉的社会环境中形成了讨论小组。
Much hangs on the success of the collaboration between the Group of Seven governments and Brazil.
很多事情都取决于七国政府集团与巴西之间合作的成功。
The group Defenders of Wildlife describes black bears as between a half-meter and three fourths of a meter at the shoulders.
VOA: special.2011.06.21
My bid concern is that you have this huge group of people on the planet 2 young people between ages of say 12 and 19 or 21 or 22 all asking the question: Who am I?
我最关注的是,我们在世界上拥有如此巨大的一个群体,即年龄介于12到19岁,或者21,22岁的青年人2,都在问一个问题:,我是谁?
The experts noted conflicting results concerning a possible link between the disorder and a group of viruses known as murine leukemia viruses.
VOA: special.2011.01.18
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