我们用近似理论完全正当。
应用于低坡度水面的近似理论来自于裘不依。
The approximate theory which applies to water tables of low slope is due to Dupuit.
该方法是一种近似理论方法，其结果与风洞试验数据很接近。
It is an approximate theoretic method with simular result to the data of wind tunnel test.
利用矩形近似理论对用熔锥法制作的耦合器分光比进行了分析。
Utilizing rectangular approximate in 3 dB fused-tapered optical fiber coupler, coupling ratio is analyzed theoretically.
近光源实验证明了P_3近似理论能够描述光源附近光辐射分布。
The experiments prove thatP3 approximation theory can describe the radiance close to sources.
应用几何光学近似理论模型计算了激光相位多普勒系统中微粒的光散射特性。
The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
受到光束扩散模型和漫射近似理论的启发，提出了一种改进的光传输求解模型。
A modified light diffusion solution model was proposed from a heuristic version of beam spreading (BS) model and diffusion approximation (DA) theory.
建立了偶极矩、核四极矩偶合常数中的场梯度及晶体非线性光学系数的近似理论表达式。
Approximate theoretical expressions are given for dipole moment, field gradient at the nucleus, and nonlinear susceptibility of crystals.
在实际施工中采用近似理论计算与工程类比相结合的方法，可取得更高的技术经济效益。
It is proposed that better technical and economical efficiency could achieved by combining approximative theoretical calculation with engineering analogue.
本文采用离散偶极子近似理论，研究金、银两种金属的球形和棒状纳米粒子的消光光谱。
In this article, the Discrete Dipole Approximation (DDA) was used to calculate the extinction spectra of the gold and silver nanoparticles with the shape of sphere and cylinder.
基于标量近似理论，使用有效折射率方法对光子晶体光纤的群速度色散特性进行了详尽研究。
Based on a scalar approximation, the group-velocity-dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent-index model.
本文利用玻恩近似理论对双模激光场中自由 -自由跃迁过程中的相位影响进行了初步研究 。
Phase control of free-free transitions in bichromatic laser field is investigated employing the Born approximation.
运用绝热近似理论，研究了由加性噪声和乘性噪声及周期信号驱动的光学双稳系统的随机共振现象。
The stochastic resonance(SR)in an optical bistable system under the simultaneous action of multiplicative and additive noises and periodic signal is studied using the adiabatic approximation theory.
本文提出一种外径密封的螺旋槽推力轴承新结构，并利用螺旋槽近似理论对该轴承进行了分析计算。
This paper deals with a newly designed spiral-groove thrust bearing, with a slit seal around it. By the approximate theory of spiral-groove bearing, this new type bearing is analysed.
本文利用基尔霍夫近似理论，对菲涅耳极深区相干散斑和部分相干散斑进行了理论研究和计算模拟。
Basing on the light diffracting theory of Kirchhoff, we obtain the expression for the intensity of speckles in deep Fresnel diffraction region.
根据菲涅耳衍射近似理论，就菲佐干涉仪中的准直镜和标准镜面形误差对透过检测的影响进行了研究。
With the Fresnel diffraction approximation method, the influences of the collimated lens and standard lens surface errors on the transparence testing are analyzed in Fizeau interferometer.
基于标量近似理论利用有效折射率方法对低空气填充率的光子晶体光纤(PCF)的色散特性进行了数值模拟。
Basing on scalar approximation the dispersion property of photonic crystal fibers (PCF) with lower air filling fraction are investigated by an effective index approach in this paper.
通过实测沉降资料与近似理论曲线的拟合，获得竖向排水井地基的最终沉降量和平均固结度，从而预估其工后沉降量。
Based on the consolidation theory of ground with vertical drains under the condition of equal vertical strain, approximate theory settlement curve calculation method is put forward.
论文的第二章首次提出了对任意岛状夹杂，以及由此自洽拼成多晶体的一种近似理论分析框架，称之为均值等效夹杂法。
An approximate theoretical framework suitable for inhomogeneities of arbitrary shape, called as domain averaging inclusion method, is advanced in the second chapter.
给出了近似理论解析解的计算公式，并用实验的方法对有限元计算和近似理论解的计算进行验证，并比较了三种方法的优缺点。
Deducing the computing formula for analytical solution of approximation theory and using experiments to testify the compute and contrasting the three computer methods.
根据热力学近似理论，在对体积热膨胀系数和体积弹性模量的乘积进行假设的基础上推导了一个体积热膨胀系数与体积和温度间的关系式。
On the assumption that the product of volume thermal expansivity and bulk modulus based on the thermodynamic approximation theory, a new equation is presented for volume thermal expansion coefficient.
结合粗糙集理论中的上下近似理论与图论中的最小生成树算法提出了粗糙最小生成树算法，并构造了确定性最小生成树和可能性最小生树。
Combination with upper and lower approximation of Rough sets theory and MST algorithm presents Rough MST algorithm, and constructs certain MST and uncertain MST.
心理学家对此有三个主要的理论——说服模式，对比模式和异化模式——但每一种模式都有近似的原因。
Psychologists have three main theories for why this group polarization occurs—persuasion, comparison and differentiation—but all of them have much the same cause.
哈佛大学的理论化学家艾伦.阿斯普鲁.古济克正在开发一种方法期望能够在有朝一日摆脱所有对于近似法的需求，并由此生产出更好的药物和太阳能电池。
Alán Aspuru-Guzik, a theoretical chemist at Harvard, is developing methods that could one day do away with the need for approximations altogether--and lead to better drugs or solar cells.
Murphy博士和他的伙伴们希望更精确的测量能够最终证明广义相对论仅仅是近似正确的理论。
Dr Murphy and his colleagues hope that even more precise measurements could ultimately show general relativity to be only approximately correct.
所以我匆忙地写了篇论文，给出一阶近似解并指出至少在这个精确度下，理论和实验结构都相符合。
So I hastily wrote up a paper giving the first order of approximation and showing that to that accuracy, at any rate, we had agreement between the theory and observation.
我们的心理地形决定了什么信息能留在我们大脑里同时什么需要剔除，这个学说和一个已经被广为接受的生物理论很近似：达尔文的自然选择理论。
The idea that our mental terrain decides what information survives in our heads and what gets killed off finds a parallel with a venerable biological theory: Darwin's theory of natural selection.
在这个方案中，一个载物飞行器(比如说搭载着卫星)将(首先)搭载超燃冲压发动机进入相当高度，理论上能够达到近似轨道速度。
In such a scheme, a payload vehicle (holding, say, a satellite) would piggyback to high altitude aboard the scramjet, which in theory could reach near-orbital speeds.
本文主要探讨了基于模糊集合理论的不确定知识表示和近似推理方法。
The main issues addressed are uncertain knowledge representation and approximate reasoning based on fuzzy set theory.
本文主要探讨了基于模糊集合理论的不确定知识表示和近似推理方法。
The main issues addressed are uncertain knowledge representation and approximate reasoning based on fuzzy set theory.
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