老师要我不要放弃，只要努力我仍可通过期终考试。
文章认为，尽管汉语没有显性的形态，但它仍可通过词汇手段来区分限定与非限定。
The paper argues that although Chinese does not have overt morphology, it still distinguishes finiteness from non-finiteness by lexical devices.
当单调函数的反函数不能显性表示时，连续型随机变量的分布密度曲线仍可通过参数方程的形式获得。
When a inverse function of monotone function can not show the explicit formula, the distribution density curve of continuous randon variable can be gained with a parametric equation.
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