查询词典 central difference

Otherwise, the difference between Emerson and Cather's natural concept was also discussed, that is nature in Cather's eyes is double-faced and eco-central, while Emerson's view of nature is single and anthropocentric.

此外，还谈到了凯瑟自然观与爱默生的不同之处，即凯瑟眼中的自然是双面性的，以生态为中心的，而后者观照自然的视角则是单一的、人类中心的。

4A series of factor such as the difference about the centre of figure and the shear centre, curvature radius, central angle is discussed.

4对曲线梁中的剪、形心位置的差异以及曲率半径、圆心角、预应力大小、摩阻损失等内力影响因素进行了分析。

There is an increasing tendency in the difference for the central and western part, owing to the rise of minimum temperature.

中西部地区4次、3次气温平均值的差异具有扩大的趋势，是由于最低气温的升高引起的。

Two experiments were conducted to explore the difference of the central executive capacity between dyslexic children and normal controls.

本研究通过两部分实验探讨汉语发展性阅读障碍儿童与正常儿童中央执行系统的容量差异和这种差异的性质。

The method was applied on standard particle images, and was compared with the 2nd and 3rd order central finite difference methods.

将DMV方法运用于标准的粒子图像，并与二阶、三阶中心有限差分法进行了比较。

Little difference between male and female appearance Lo, David Lo stage it is difficult to identify, as Lo is the difference between the most obvious: the same rearing conditions, the same age in the general female screw than that of the male body; female snails recessed central operculum, the operculum and hung Lo Centralaround.

雌雄螺外观差异不大，幼螺阶段难以鉴别，成螺最明显的区别是：相同饲养条件下，同龄螺中一般雌体比雄体大；雌螺的厣中央凹进，而雄螺的厣中央外凸，四周微凹。

In the method of numerical analysis, the spatial part of equation system in strong conservation form is first discretized by conventional central finite-difference approximation and then the system of partial differential equations becomes a system of ordinary difference equations.

本文所建数值方法的基本空间离散格式是中心差分，并用源于Jameson的标量耗散模型抑制数值波动；采用经典四阶龙格—库塔法积分经过空间离散后得到的常微分方程组当残差足够小时的解为稳态解。

Significant difference between negative and neutral emotion waves was observed in 5 time periods in the right occipital region (120-140 ms), central frontoparietal region (220-240 ms), central parietal region (280-300 ms), left parietal and right temporopartial regions (320-340 ms) and frontopartial occipitotemporal region (480-500 ms).

负性与中性表情的差异分别于5个时段相继出现在不同的头皮区域：右枕区(120~140ms)，中央额顶区(220~240ms)，中央顶区(280~300ms)，左顶和右额颞区(320~340ms)和额顶枕颞区(480~500ms)。

Difference of cell-free DNA concentrations was analyzed by one-way analysis of variance using SPSS 10.0 software. There is a significant difference if p value was less than 0.05. The results showed that: 1 DNA concentrations in cell-free lavages supernatants in central lung cancer, peripheral lung cancer and pulmonary benign lesions are (0.83±0.34)μg/ml,(0.66±0.31)μg/ml and (0.59±0.37)μg/ml, respectively.

研究结果如下： 1中心型肺癌支气管灌洗液上清游离DNA量为(0.83±0.34)μg/ml，周围型肺癌为(0.66±0.31)μg/ml，肺部良性病变为(0.59±0.37)μg/ml，经单因素方差分析发现三者支气管灌洗液游离DNA量没有显著差异。

Third, in the actual background problems, what is students' level in interpret or explain their use of the measure of central tendency? Fourth, Is there any difference in students' understanding of measures of central Tendency in terms of grade, school and gender?

本研究选取了来自上海市某所重点中学155名学生和某所普通中学176名同学，对他们进行了关于集中量数理解水平的测试，并选取部分学生进行了访谈。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。