查询词典 approximate method

Based on an analysis of the mechanism of flow pattern alternation, approximate criterion for flow pattern alternation was formulated, and a numerical model was worked out for simulation of free overfall and submerged overfall alternation by combination of the above two models.

分析两种不同水流形态的交替机理，建立两种水流的转换条件，联立两种不同形态的数学模型构成保水堰的堰流和满流交替的非恒定流数学模型。

Simple designed experiments paired and unpaired comparison of means, approximate comparison of standard deviations and proportions.

设计简单的实验组和未配对的比较方法，比较近似的标准偏差和比例。

These layered rocks measure only 10 centimeters (4 inches) tall and are thought to be either volcanic ash deposits or sediments carried by water or wind. Data from the panoramic camera's near-infrared, blue and green filters were combined to create this approximate, true-color image.

关于这些层状岩石，有的测量数据约10厘米(4英寸)，相对高一点的地方，目前被认为或许是火山灰的沉淀物，抑或是风干沉积后的河床岩石层，当然这一切在被证实之前仍仅仅是猜测。

In actual practice, arrays approximate parallel access behavior.

在实际的实现中，阵列都采用近似并行访问的方式。

Finally, according to the characters that the inner and outer edge of double-layer eyelid are approximate parallel and the gray distribution changes sharply on the edge of inner eyelid, take the fitting curve acquired in first eyelid location as a template, and shift it down parallel to detect the position where gray value changes abruptly.

最后，根据双层眼睑的内外层边缘近似平行、而且在内层眼睑边缘处出现灰度跳变这一特点，以第一次定位所得拟合曲线为模版，平行下移搜索灰度跳变位置，完成对双层眼睑的二次定位。

It was proposed that a robust and efficient parallelizable preconditioner for solving general sparse linear systems of equations, in which the use of sparse approximate inverse techniques in a multi-level block ILU preconditioner wereinvestigated.

设计了一种求解一般稀疏线性方程组的健壮且有效的可并行化预条件子，这种预条件子涉及在多层块ILU预条件子中使用稀疏近似逆技术。

She gains abundant experience on control, surveillance and epidemiologic researches of cholera and typhoid fever ect, since she has been involved in containing approximate 30 major emergency events including typhoid and paratyphoid fever, shigellosis, infectious diarrhea and nosocomial infection.

曾主持或参加近30起较大伤寒副伤寒、细菌性痢疾、感染性腹泻和医院内感染等传染病疫情和突发事件的处理工作，在霍乱、伤寒副伤寒等细菌性疾病的预防控制、流行病学监测及科研方面有较丰富的经验；作为主要人员参加七项科研课题包括国际合作项目《儿童细菌性脑膜炎流行病学监测研究》等的研究。

An approximate solution of the paraxial ray equation for cylindrical dense electron beams was obtained by means of the Taylor expansion.

本文提出圆柱形强流电子束的傍轴轨迹方程，可以用台劳展开求出它的近似解。

Therefore, to subsample"s observation of continuous random sample parent population, if we can"t get its material function easily, or we dont know its density function, we can use this way to approximate its distribution function. And these methods can achieve good approximation effect.

对连续型随机样本母体中的简单随机子样的观察值，在不易得到其具体分布或不知道其密度函数的情况下，可用此方法来近似求出其分布函数并可达到很好的逼近效果。

The experimental results show that the proposed algorithm can improve search efficiency of optimization and find more approximate Pareto optimal solutions.

实验结果表明，新算法不仅提高了优化搜索的效率，且能够找到更多的近似Pareto最优解。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。