population mean 总体均数 ; [数] 总体均值 ; [数] 总体平均值 ; 总体平均
population mean point 总体样中点
estimation of population mean 总体均数估计
Population mean-cosinor 群体平均余弦法
The population mean 总体平均数
total population mean 总群体平均
common population mean [经] 公共总体均值
population mean growth 人口平均增长量
estimation for population mean 总体均数的估计
I mean, as the population grows and there are more vehicles on the roads and there's more machinery, surely they can't depend so much on sugar cane?
我是说，随着人口增长，路上车辆更多了，机械也更多了，他们肯定不能只依赖于甘蔗（作为生物燃料）吧？
The discovery of such a large gibbon population may mean the species has a better chance of long-term survival, the scientists say.
科学家表示，发现数量如此之多的长臂猿意味着这个种群有更好的机会长时间存活。
What is the 95% confidence interval for the population mean?
什么是95%的人口置信区间是什么意思？
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