In this article, we derive complex expansion formula of spherical and cylindrical waves by comparing the stacking field of complex ray and the close-form solution in the plane spectral domain.
通过在平面波谱域中比较复射线束叠加场和标准解的方法，导出了球面波和柱面波的复射线束展开系数公式。
Reducing the pace of progress on course content, and emphasis on the expansion on basic formula and the application guide are also the features of new plan.
减小课程内容的进展梯度、重视基本公式的扩展及其对应用指导也是新方案的特点。
The corresponding mathematic model has been established in accordance with the physical definition of the density and the expansion coefficient through formula derivation.
根据密度和膨胀系数的物理定义，通过公式推导，建立了相应的数学模型。
The formula of expansion characteristic in the three phase biological fluidized bed has been founded in this study.
研究建立了描写三相生物流化床床层膨胀特性的经验关联式。
Formula for approximative stress calculation of expansion loop is described with a design case cited.
介绍了膨胀环应力近似计算公式及设计实例。
The method approaches the unknown integrating factor with Fourier Expansion and deducts a kind of computer simulation formula which is similar to the Adams arithmetic.
该方法利用傅立叶展开来逼近未知的积分项，导出一种类似于阿达姆斯方法的计算机仿真计算公式。
This article gave the measuring principle, formula and method of waters expansion coefficient by using density value of pure water in different temperature.
利用不同温度下纯水的密度值，给出了水的体胀系数的计量原理、公式和方法。
Nonlinear directly estimating formula for exponential curve which, through fixed point, was derived, by using first order approximation of Taylor expansion.
运用泰勒展开的一阶近似估计推导过定点的指数曲线的非线性直接估计公式。
Analysis the basic factor of influencing quantity of expansion joint, including the seismic load and wind load, the calculating formula and measure of expansion amount.
分析桥梁伸缩装置伸缩量的基本影响因素，包括地震荷载和风荷载，国内外伸缩装置伸缩量的计算公式和方法。
Adopt the iterative formula that forms Taylor's expansion of sine and cosine, and compute a graphic points are only calculated by 9 times addition.
采用正弦和余弦的泰勒展开式构造的迭代公式，计算一个绘图点只需9次加法。
For the expansion of Newton ring experiment, two formula of measuring film thickness is proved according to the experimental principle, and the formula is also discussed.
本文对牛顿环实验进行拓展，根据实验原理推导出两个用于测定薄膜厚度的理论公式，并对公式进行了理论分析。
Features: By virtue of a high concentration of repairing formula, it can help lighten and prevent splash generation and effectively reduce the chance of spot deepening and expansion.
产品特性：蕴含高浓度的修护配方，帮助减少并防止色斑生成，有效减少斑点加深和面积扩大的机会。
Analyzed are principles of throttling expansion process and isentropy expansion process and derivation formula is adopted to identify the essential distinction of the both theoretically.
分析节流膨胀与等熵膨胀的原理，通过推导公式，从理论上找到二者的本质区别。
According to analysis and study about practice application and measurment is derived a formula of calculating the radial heat expansion gaps of the stator core for use in design.
进行分析研究，推导出一个计算铁心径向热膨胀间隙的公式，供计算应用．。
A calculating formula of temperature stress for one floor reinforced concrete frame structures were presented by theory analysis, it contribute to calculating of the values of expansion joint spacing.
以单层框架为例，通过理论分析，计算出框架结构的温度应力，这将有助于伸缩缝间距的计算。
A calculating formula of temperature stress for one floor reinforced concrete frame structures were presented by theory analysis, it contribute to calculating of the values of expansion joint spacing.
以单层框架为例，通过理论分析，计算出框架结构的温度应力，这将有助于伸缩缝间距的计算。
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