精确地

When the stress and displacement fields in a specimen are calculated by finite element method, the stress intensity factors K and K of mixed-mode crack can be obtained immediately by a contour integral.

此方法与积分路径的选择无关，用有限元法计算出远离裂纹尖端的位移场和应力场，就可通过计算绕裂端的围线积分，精确地给出混合型裂纹的应力强度因子KⅠ和KⅡ的数值解。

A theoretical model of this system, which combines convection and radiation, is established in this paper.

本文建立了这一对流辐射复合换热系统的理论模型；对不同情况进行了数值计算，并做了实验研究；分析了入口气流温度、风速、板数和板厚等因素的影响；从而确立了这一类问题的计算模型，精确地预测了实验结果。

Taking the unknown coordinate in curved surface and curve as design variables, the equation of curved surface as constrained condition, and the distance between unknown coordinate as objective function, optimization is proposed to minimize the distance between curved surface and curve.

建立以曲面、曲线上未知，点坐标设计变量，以曲面和曲线方程为约束条件，以曲线和曲面距离为目标函数的约束优化方法来精确地确定曲面和曲线之间最短距离，同时确定获得最短距离对应的坐标点。

A system and method for accurately determining time of arrival using a mathematical model that mimics a correlation function.

使用模仿一相关函数的数学模型用于精确地测定到达时间的系统和方法。

Dynamics and the finite element analysis make the precise analysis of crankshaft being true....

多体动力学和有限元法的发展使得较精确地分析曲轴动力学响应问题成为可能。。。。

But now, the crystalloid has been detected two astronomical unit distances away from earth, and it is flying to the earth accurately with its precipitous unnatural orbit.

但现在晶体在两个天文单位外被探测到，它沿一条陡峭的绝非自然形成的轨道精确地飞向地球。

With indefinite noises and nonlinear characteristics, real-time estimating states of the dead reckoning unit is much more difficult than that of the other measuring sensors, which used in vehicle integrated navigation systems.

由于噪声的不确定性和自身的非线性特征，通过航位推算系统精确地估计车辆的状态是实际车辆组合导航中最困难的部分。

As with AOD, the benefit of using PMS is that the decarburization end-point can be more accurately determined.

同AOD过程一样，采用过程质谱的好处在于能精确地判断脱碳的终点。

"We were completely astonished that our model predicted both the abundance and diversity of galaxy types so precisely," said researcher Nick Devereux of Embry-Riddle University in Arizona.

"我们对我们的模型感到非常惊讶，因为它与星系类型的丰富性和多样性如此精确地符合"亚利桑那州Embry-Riddle大学的研究人员Nick Devereux说。

I'm not saying exactly what is an adequate Barry Factor. My wife grows her Pinguicula and Nepenthes with a Barry Factor of around 70% and does just fine. But I grow Sarracenia, aquatic Utricularia, and Dionaea, and they need a lot of light.

我不会精确地定义合适的Barry系数，我老婆的捕虫堇和猪笼草在70%的环境下长得不错，但是我的瓶子草、水生狸藻、补蝇草则需要大量光线。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。