1、

A model of genetic programming was established to describe crop water production function.

利用遗传程序自动搜索模型结构能力强的优点,建立了基于遗传程序设计的作物水分生产函数模型。

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2、

This paper brought forward the concept of choice of techniques as the historical analysis method, researched the function and range of choice of techniques, and did deeply study on this basis.

本研究以历史分析的方式,提出了技术选择的概念,考察技术选择的功能和范围,并在此基础上展开深入的理论研究。

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3、

But under normal circumstances, it is impossible to get the theoretical weight function by a finite number of known sample points.

但是一般情况下,通过有限个已知样本点求理论权函数是不可能做到的。

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4、

Then inspect the adjustment function of the policy on cyclical fluctuation of agricultural production especially grain production.

然后检验了财政支农对农业短期波动的调控作用,发现财政支农的波动与农业特别是粮食生产波动明显同步,财政政策未能发挥缓周期作用,反而在某种程度上成为一种推波助澜的因素。

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5、

Dedusting function and design calculation of vertical cyclonic water film collector

立式旋风水膜除尘器的除尘性能与设计计算

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6、

In a medium of monoatomic heavy gas, using the parabolic cylindrical function expansion, an asymptotic energy distribution and its decay constamts were derived.

对于单原子的重气体介质,利用抛物柱函数展开法,求得了渐近能量分布及其随时间衰减的常数。

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7、

For a steady current-carrying tightly wound thick-wall solenoid with a finite length, the expression of vector potential is derived by using the method of cylindrical function expansion.

对于通以恒定电流的有限长厚壁螺线管,用柱函数展开法推导出矢势的表达式,再根据磁感应强度与矢势的关系式得出磁场的积分形式表达式。

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8、

To solve axially symmetrical electrostatic field, the method of cylindrical function expansion is presented. The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived, some examples are given.

提出了求解轴对称静电场的柱函数展开法,推导出用对称轴上的电势分布表示空间电势分布的级数展开式,并给出了求解轴对称静电场的例子。

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9、

A Cylindrical Distribution Function Program and Its Application

园柱分布函数计算程序及其应用

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11、

Semi-infinite border through the mirror image method to meet the stress free condition, using the cylindrical wave function expansion method shows the original image and the mirror image of the wave field analytical expression.

半无限边界处的应力自由条件通过镜像法来满足,采用柱波函数展开法给出了原像和各镜像波场的解析表达式。

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12、

By using the expansion of spherical wave functions for a cylindrical wave function and the techniques of the hypergeometric functions, the Sommerfeld integral contained in the potential is expressed as a rapidly and absolutely convergent series of spherical wave functions;

利用圆柱波函数的球面波函数展开式和超几何函数理论,位函数中的索末菲尔德积分被表示成快速、绝对收敛的球面波展开式;

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13、

Experimental study on cytoplasmic free calcium and antigen presentation function of peritoneal macrophage following severe scald

严重烫伤后腹腔巨噬细胞游离钙及抗原提呈功能的实验研究

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14、

The concept and function of Cytoplasmic Matrix; the relation between cytoplasmic and Cytosol.

一细胞质基质的涵义;细胞质基质的功能;细胞质基质与胞质溶胶的关系。

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15、

It is beyond challenge that tense occupies a crucial position in English grammar, but little has been achieved about its cohesive function in text.

时态在英语语法中的重要性是无可置疑的,但是从篇章学的角度来分析时态的语篇衔接功能的研究还很少。

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16、

The composing, function, selecting principle and key of parts of the pump, such as electromotor, axle-jointer, bearing box seat, water cooling seal cavity, down pump body, pump axle and impeller, are introduced in detail by pump body structure diagram.

给出泵体结构图,详细介绍泵的电机、联轴器、轴承箱座、水冷密封腔、下泵体、泵轴、叶轮等部件的组成、功能,各部件的选型原则和关键点。

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17、

Walsh function approach to optimal control and Simulation of linear time-varying system

用WALSH函数实现线性时变系统的最优控制和仿真

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18、

We calcuate Mobius function on the ordered lattice of p elements by inductive method and Hall theorem. Then, we discuss inverse M bius formula of the distributive pattern numbers.

用Hall定理结合归纳法计算了p元有序格上的M bius函数,并由此讨论了分布模式数的Muius反演公式。

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19、

Type and function of dyeing assistant for leather

皮革染色助剂的类型及其作用

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20、

A review with 4 references to summarize synthetic principle and function of dyeing assistant for leather including levelling agent, hyperchromic agent, and fixing agent.

本文将皮革染色助剂分为匀染剂、增深剂与固化剂,讨论了它们的合成原理及其在皮革染色过程中所起的作用。

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