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- twice differentiable function 二次可微函数
- The objective function in the unconstrained model of linear Support Vector Machine（SVM） is not twice differentiable which precludes the use of a fast Newton method. 摘要 线性支持向量机的无约束优化模型的目标函数不是一个二阶可微函数，因此不能应用一些快速牛顿算法来求解。
- Let be continuous on the interval, then there exists differentiable function on, such that for any in,. In words, the continuous functions must have antiderivatives. 如果函数在区间上连续，那么在区间上存在可导函数，使对任一都有。简单的说连续函数一定有原函数。
- The unknown displacement field is approximated by discontinuous, piecewisely differentiable functions. 用间断分片可微的函数来近似未知位移场。
- partially differentiable function 可偏微函数
- n - time differentiable function 次可微函数
- piecewise continuous differentiable function 段连续微分函数
- piecewise differentiable function 分段可微函数
- The approximation of differentiable functions by a kind of interpolatory rational functions is discussed,and the corresponding order of approximation is obtained. 讨论了一类插值有理函数对可微函数的逼近，得到了相应的逼近阶。
- differentiable function of second order 二阶可微函数
- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- The differential function and descriptive function are commonly in the same pre-element rather than in different ones. 然而“限制”不能概括与“描写”相对的前加成分的语义功能，这一功能应该是“区别”。
- I am more than twice as old as he. 我的年龄是他的两倍还不止。
- For functions of them ,the delta method implies the following result, proved in Section 14.1.4:Let denote a differentiable function of , with sample value for a multinomial sample. 为作用的他们; 三角洲方法暗示以下结果; 被证明在部分14.;1
- Jack was fired twice but both times taken back. 杰克曾两次被解雇，但两次都被允许回去工作。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- infinitely differentiable function 无穷次可微函数
- If I wee you, I'd think twice about it. 如果我是你我会三思而后行。
- left hand differentiable function 左可微函数
