[数]指标函数；[数]指示函数，示性函数

implicit function───[数]隐函数；隐含函数

indicator species───[生物]指示种

linear function───线性函数

distribution function───[力]分布函数；分配函数

bodily function───身体机能

circular function───[数]圆函数；[数]三角函数

density function───[数][统计]密度函数

Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.───集合的表示函数、支撑函数、距离函数和投影等研究闭凸体的典范表示及点到边界的投影特征。

Serum thyroid stimulating hormone (TSH) concentrations are a sensitive indicator of thyroid function.───促甲状腺激素（TSH）水平降低是判断甲状腺功能损害的早期指标。

Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.───利用集合的表示函数、支撑函数、距离函数和投影等研究闭凸体的典范表示及点到边界的投影特征。

Applying the Monte Carlo Method with the Fuzzy Indicator Function to Compute Structural Failure Probability───用引入模糊示性函数的蒙特卡洛方法计算结构的失效概率

Indicator function of an event───事件指示函数

Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.

Discussed a reason discoloration range of acid-base indicator function reason in a text book, pointed out some discoloration reason problems in the book.