It also testifies the intermediate variate in the system is servo valve loading pressure ; compensator is a first derivative element.
可以证明本系统的这种观测量是伺服阀的负载压力，而所谓补偿器是一个一阶微分环节，因而容易实现。
Light-emitting element, light-emitting device, electronic device and quinoxaline derivative.
发光元件，发光器件，电子器件和喹喔啉衍生物。
Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device.
螺芴衍生物，发光元件用材料，发光元件，发光设备和电子设备。
For traditional architecture, similar element are used widely and then various combination are derivative. The villages are built in accordance with the level terrain formed a patchwork pattern.
传统的建造方式都是采用大致相同的母题，进而衍生组合，村落都是结合不同的地势特征逐建生长而成。
The similarity principle used in grouping is the key element of the derivative CAPP system, the grouping results is reasonable effects on the valid working of the derivative CAPP system.
利用零件的相似性原理对零件分组是派生式CAPP系统的重要内容，对零件的分组是否合理，直接影响到派生式CAPP系统能否正常运行。
The part classified codification is a core element to achieve derivative CAPP or generated CAPP.
零件分类编码是实现派生式或创成式CAPP的核心内容。
Afterwards, using the boundary element method to solve the integral equation we can obtain the magnetic potential and its normal derivative on the surface of the magnetic body.
然后用边界单元法解积分方程，求得磁性体表面的磁位及其法向导数。
To improve the accuracy of the derivative of the finite element solution became one of the most important research subject recently.
因而如何提高有限元解导数的精度成为近年来有限元研究的热点之一。
To improve the accuracy of the derivative of the finite element solution became one of the most important research subject recently.
因而如何提高有限元解导数的精度成为近年来有限元研究的热点之一。
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