查询词典 approximate integration

Firstly part of quadratic term of Taylor series is chosen; a low-dimension surface is used to approximate limit state surface ; and the modified reliability formula is derived.

首次选取泰勒级数的部分二次项，用一个距原点最近点处拟合的超低维曲面近似极限状态面。

During isothermal extruding of blank, in order to make the material fill successfully into the mold cavity and demould successfully, by using dressing on curved surface of the globoid cams and adopting circular arc transition on each connection, the blank with high precision and shape approximate limit was obtained.

在毛坯等温挤压过程中，为使材料顺利地充满凹模型腔以及成形后脱模顺利，通过在弧面凸轮曲面上加盖敷料及在各连接处采取圆弧过渡，以制得高精度的近似净形零件毛坯件；并采用MSC。

In some areas,the liquid limit and plastic limit has approximate lineal relevant formula , expressed formula as like this ω P=a+bω L.

液塑限试验是土工试验的重要项目之一，塑限试验一般用手工操作、人为因素大、效率低，但局部地区塑限与液限却有如ωP＝a＋ bωL 的近似线性相关公式。

By virtue of method of continuum approximate limit, we obtained the solitons of the vibration of lattice in one-dimensional harmonic and inharmonic chains of polarized molecule, under the conditions considering and inconsidering the interaction of exciton with phonon, through solving moving equations of exciton and phonon.

运用连续极限近似方法，通过求解声子和激子的运动方程，得到了在不考虑激子与声子的相互作用和考虑激子与声子相互作用两种情况下的极性分子简谐链和非简谐链中晶格振动的孤子解，并得出了激子与声子的相互作用的非线性效应类似于晶格三次势的非线性效应，以及相同的非线性效应不论是同时作用还是单独作用都具有相同的非线性效应的结论。

ABSTRACT This paper presents results of online identification of hydrogenerators, a long-term running robust self-tuning regulator of generator excitation, governor power system stabilizer decoupled in multimachine systems, and an adaptive GPSS designed in frequency domain. 1. It presents a step-by-step zero cancellation method , accuracy weighted recursive least squares and approximate RLS algorithms, inferior limit of sampling time.

针对发电机励磁和调速系统建模与控制，针对多机电力系统的稳定性，本文综述了自适应控制理论及其在电力系统中应用的现状和发展方向后，在辨识、自适应控制结构和鲁棒性提高的措施上进行了研究，取得了水轮机调速系统现场辨识的成功，获得了长期稳定运行的鲁棒励磁自校正控制器、多机解耦的调速侧电力系统稳定器和频域设计的自适应GPSS。

For the calculation of the dissipation, a new approximate method is proposed.

提出了一个新的计算粘性耗散和损伤耗散的近似方法。

The experimental results show that the approximate frequent itemsets method isfeasible and the compression quality is good.

实验结果显示这种近似的频繁项集压缩方法是可行的并且压缩质量好。

The simulated results show that the proposed method and the approximate algorithm can be readily put into practice.

结果表明，上述方法可有效地改进电网频率和谐波的测量准确度，具有工程应用价值。

In this paper, the aim is to create an approximate solving method of nonlinear equation for the ENSO models.

本文的目的是创建一个求解ENSO模型非线性方程的近似方法。

Therefore, it can only approximate simulation method!

所以只能用近似模拟的方法！

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。