查询词典 mathematical

The tools of an epidemiologist are largely mathematical his conclusions are based strongly on inference.

一 epidemiologist 的工具是大部分数学的他的结论强烈基于推理。

Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external.

绝对、真正而数学的时间，就其本身而言，从其本身具有之性质，稳定地流动，与任何外物无干。

A mathematical statement that indicates equality with the use of an equal sign between two expressions..

一种用等号连接两个表达式以表示它们相等的数学语句。

Implying a multivariate equality constraint in switching function, a genetic algorithm based improved mathematical model for fault location of distribution network is built.

将一个多变量等式约束条件隐含于开关函数中，基于遗传算法建立了改进的配电网故障定位数学模型。

On the basis of these, the author analyze stress-strain model of rock and soil which is under the groundwater effect, the continuity equation of groundwater when the rock and soil is deformed, and the relation between permeability coefficient tensor of rock and soil and stress field, and brings up the mathematical model of stress-seepage coupling fields.

在此基础上，论文阐明了考虑地下水作用的岩土体本构模型、考虑岩土体变形的地下水流动连续方程和岩土体渗透系数张量与应力场的关系，提出了新的应力-渗流耦合场数学模型。

A mathematical model for fluid-solid coupling in reservoir was constructed based on the equilibrium equation of solid skeleton and continuity equation of wetting liquid in porous medium.

根据饱和多孔介质固体骨架的平衡方程和多孔介质中流体的连续性方程，建立了储层流固耦合数学模型。

Base on the mathematical equation: the quantity of conduction heat flex is equal to the product of heat conduction coefficient and gradient of temperature, we expect to obtain the result which is better than that of Transient Hot-wire Method and Steady-State Parallel-Plate Method, and simplify the strategy of measurement.

理论模式关系中，使用热传量等於热传系数与温度梯度乘积的比例关系式作为理论基础，目的在得到更优於暂态热金属线法(Transient Hot-wire Method)及稳态平行板法(Steady-State Parallel-Plate Method)的量测结果，同时也简化了量测方式。

Unfortunately, there is no simple mathematical equation which can answer this question.

不幸的是，没有简单的数学方程可以回答这个问题。

The WGS 84 Datum is generally accepted as the best simple mathematical model for the overall shape of the earth, and is an ellipsoid with an equatorial radius of 6378.1370 km and a polar radius of 6356.7523 km, and is centred on the earth's centre and orientated to the spin axis.

WGS 84基准﹙ WGS 84 Datum ﹚被普遍接受为地球整体形状之最简单数学模型，是一个赤道半径﹙ equatorial radius ﹚ 6378.1370公里和北极半径﹙ polar radius ﹚ 6356.7523公里之椭球﹙ ellipsoid ﹚，以地球的中心为中心点，并定位於﹙ orientated to ﹚自转轴﹙ spin axis ﹚。

Finally the whole dynamic physical and mathematical model including windlass subsystem, water tank subsystem, equilibrator and fluid are established. The influence caused by mechanical gap is discussed. The coupling effect between mechanical and electricity can be treated simply as an exciting load.

最后，建立了包括机械同步卷扬提升子系统、承船厢子系统、平衡重和水体在内的三峡升船机整体动态力学模型和数学模型，并给出了整体动态响应计算的流程框图及编制了相应的软件。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。