英语语法分析

Even if precisely measured, income data exclude important determinants of economic well-being, such as the hours of work needed to earn that income.

即使计算结果是精确的，收入数据也将一些经济幸福感的重要决定因素排除在外，如赚取该收入所需的工作时间。

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

为了做出更准确的人口预测，人口统计学家必须比现在更多地了解生育率的社会和经济决定因素。

Now investigators think they know at least some of the molecules that act as morphogenetic determinants in early development.

现在研究人员认为他们至少知道了一些在早期发育中对形态起决定作用的分子。