微分的

The rational finite element formulates directly in the physical domain and interpolates with the solutions, rather than using the iso parametric technique and interpolates with polynomials in the computational plane.

理性元直接在物理面内列式，并用微分方程的解插值，不用等参技术而在计算面内用多项式插值。

The results is of important theoretical value and further practical significance for complex analysis, harmonic analysis, analytic number theory and differential equation.

以上结果不仅对于复分析，而且在调和分析，解析数论，微分方程等研究领域也具有较高的理论价值。

The cycle process of steam-water in drum, downcomer and water wall were simplified reasonably, according to the law of mass conservation and the law of energy conservation, the differential equation model of drum water level dynamic was constructed.

对汽包、下降管、水冷壁内汽水工质循环过程进行合理简化，依据物质及能量守恒定律，建立以微分方程形式描述的汽包水位动态模型。

As a useful tool for symbolic approach, automatic differentiations are applied.

讨论了各种灵敏度分析方法，自动微分被作为一种符号化方法的有用工具引入。

Users can immediately pinpoint key differentiators between the solutions and drill down to investigate where the gaps between the solutions are most prominent and what their sources are.

用户可以马上解决，针对重点演练了微分之间的差距主要在探讨解决最为突出其来源是什么。

We cascade two perfect differentiators.

我们把两个完美的微分器串联起来。

It does this by inhibiting the production of the pain producing molecules, prostaglandins.

它通过降低人体内的前列腺素微分子来减轻月经疼痛。

When this kind of converter is working at the prescribed temperature confine,it keeps being humdrum character,high precision of the conversion(linetype error ≤± 1 LSB、 differential coefficient error ≤±1 LSB), speediness(the time of establishing the putput voltage ≤3μ s), low power consume(power consume ≤ 600mW),good temperature capability(the temperature coefficient ≤30ppm), large-scale output range.

本D／A转换器在工作温度范围内保持严格的单调性、转换精度高(线性误差≤±1 LSB、微分误差≤±1 LSB)、转换速度快(电压输出建立时间≤3μs)、转换功耗低(功耗≤600mW)、温度性能好(增益温度系数≤30ppm)、输出电压幅度大(±10V)并且可以灵活应用于0～5V、0～10V、±2.5V、+5V、+10V多种输出范围。

According to antecedent research experience, a computing method of the dynamic retrieving differential equation of multi-variable hydrologic time series was given.

在动力反演微分方程的基础上，建立水文多元自记忆模型。

The efficiency of double decomposition method is verified by the comparison between double decomposition method and Adomian decomposition method for solving differential equations.

通过具体微分方程算例对双重分解法和Adomian分解法进行了比较，验证了双重分解算法的有效性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。