查询词典 approximate differentiability

The above mentioned calculation methods is to put alphabetic string into sections by means of a certain characteristic characters or character serials, and then match every subsection respectively, whose computational quantity is approximate to O.

本发明所描述的算法是对字符串先按某种特征字符或字符序列进行分段，然后分别匹配各个子段，运算量近似于O，从而大大降低了运算的复杂度，提高了运算速度。

Inchapter three,the one dimension spin chain with alternating spins 1 and 1/2 is studiedby Green Function's decoupling approximate method.

第三章是用格林函数切断近似方法来研究一维自旋链。

This paper describes the basic properties of the dectric coupling coefficient functions, the maximum value of which is determined by an approximate analytic expression.

并且给出了电场耦合系数函数最大值的一种简便确定方法。

To avoid the "crowding phenomenon" in conformal mapping,approximate analytical expressions of characteristic parameter for CPW′s on a thin substrate have been derived.

本文推导出了薄衬底共面波导特性参数计算的近似解析表达式，避免了薄衬底保角变换中的"拥挤现象"。

After administration of Panax Tonifying Soup Mix with different doses, the number of neurons in brain cells was approximate normal value, and the anaplasia was also notably improved; hepatocyte proliferation, degeneration and necrosis were evidently suppressed; the effects in high dose group were most remarkable; and noticeable dose-effect relationship was observed.

给予不同剂量人参养荣汤干预治疗后，脑细胞神经元数目接近正常，退行性变化明显改善；肝细胞增生、变性及坏死显著被抑制；其中以高剂量作用显著，并且具有显著的量效关系。

And the results for two samples from Xiakangiayu, southeast of Xiaojue give an approximate age around 2.06～2.08 Ga for another episode of anatexis in the Paleo-Proterozoic time.

小觉西南下康家峪两块标本的测定结果，提供了该地区阜平群岩石在2.06～2.08 Ga经历了古元古代时期重熔作用改造的信息。

Theoretically the approximate conditions of the surface wave diffraction were analyzed,and the corresponding analytic expression of angle width of diffraction patterns was derived,which explained the asymmetry distribution well.

理论上对表面波衍射的近似条件进行了分析，得出了各级衍射条纹角宽度的解析表达式，解释了衍射条纹的非对称分布。

The angular distribution of the bistaticscattering coefficient of HH polarization were obtained by numerical implementation. Influences of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the bistatic scattering coefficient were discussed. The basic characteristics, the zonal characteristics and the characteristics with varying of frequency of the scattering coefficient from stratified sea surface were obtained. The numerical results show that the scattering coefficient has approximate "quantization" characteristics.

通过数值计算得到了HH 极化双站散射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对双站散射系数的影响，得到改进的一维分形分层海面散射系数的基本特征、分区特征和随频率变化的特征，结果表明散射系数近似具有"量子化"特征。

Simulation results demonstrate that our models and the corresponding algorithms are effective, the performance is improved by the polarity and the 1-order approximate model is blind to the angular distribution.

仿真结果证实了该模型和算法的有效性，表明了极化的引入对估计性能有很大提高，以及一阶近似模型对角度分布函数的盲性。

The approximate solution is used to estimate the performance of concentric annulus.

因此，用于冷却的表面传热系数应在Bi数小于10的范围内选取。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。