periodic的例句大全

China's social assistance system developed in the 50s of the 20th century, mainly for the "three non-personnel" and specific people for periodic, quantitative or temporary assistance.

我国的社会救济制度形成于20世纪50年代，主要是对三无人员以及国家规定的一些特殊救济对象进行定期定量救济和临时救济。

The affect of the speed on the drawing force was obtained and the changing regular of the periodic of the tension regulator.

获得了拉丝速度对拉拔力的影响关系以及张力调节周期的变化规律。

The motor switch fault detection, using the periodic test manual inspection and switch test method.

目前对于转辙机电动机的故障检测，大多采用周期性的人工检查与转辙机试验台测试的方式。

Reproductive Property and Periodic Solution of the Modified Navier-Stokes Equations

修正的Navier-Stokes方程的再生性质和周期解

First, the period error is decreased by using the periodic instrument instead of using stopwatch.

主要有，第一用自制的高精度测周期仪代替人工读秒表的测周期方法；

A tabular arrangement of the chemical elements according to atomic number as based on the periodic law.

以周期律为基础按原子量大小顺序排列的化学元素表。

On the complex potentials for an infinite body with periodic holes in plane thermoelasticity

具有孔洞的周期热弹性全平面问题的复势

study on the problem of periodic open type parallel cracks

周期张开型平行裂纹问题研究

On the other hand, although there are many models which explain the long term periodic variability of AGN(" hot spot", the instability of thin disk, bistability, pulsation of self gravitational disk etc), no one of them is perfect;

对时标较长的周期性光变，尽管现在已有不少模型（亮斑、薄盘的不稳定性、双稳定性、自引力吸积盘的脉动等等），但是所有这些模型都不够完善；

Positive Solution of Singular Nonlinear Third Order Periodic Boundary Value Problem

非线性奇异三阶微分方程周期边值问题的正解

Based on the transform of phase aberrations in third harmonic generation, the focusing properties of third harmonic beam with nonlinear crystals having periodic surface ripples were theoretically investigated.

基于三次谐波转换过程中位相扰动的传输变换，理论上研究了非线性晶体表面周期性纹波对三倍频激光束聚焦特性的影响，建立了多级衍射模型。

They could mirror the development of the Provisional Irish Republican Army and Palestine Liberation Organisation, conducting periodic terrorist attacks to gain policy concessions.

他们可能会效仿爱尔兰共和军临时派（Provisional Irish Republican Army）以及巴勒斯坦解放组织（Palestine Liberation Organisation）的发展道路，不时发动恐怖袭击，以此获得政策让步。

It is emphatically pointed out that although the instantaneous generation rate of every phase of the heater is a periodic function alternating with time, the sum of the instantaneous generation rates of three phases is a constant.

特别指出，电热元件每一相电热丝的瞬时发热率是随时间而变化的周期函数，但三相瞬时发热率之和是一常数。

The Non-linear-Extension of Periodic Linear Modules Over Exterior Algebra of Three Dimensional Space

三维空间上外代数一类周期线性模的非线性扩张

A new boundary integration equation based on crack opening displacement has been developed. Single crack and multiple periodic cracks in three dimensional space are numerically calculated.

在推导出一种新的边界积分方程的基础上，分别对三维单个裂纹、多个周期裂纹进行了数值计算.单个裂纹的计算结果表明，最大裂纹张开位移能达到误差低于1.0%的精确结果；

Estimation on the periods and characteristic exponents of the periodic orbits in the vicinity of the equilibrium points in the restricted three-body problem

关于三体问题平衡点附近周期轨道的周期及特征指数的估计

There are plenty of families of periodic orbits surrounding the collinear libration points in Circular Restricted Three-body Problem ( CRTBP) model.

圆型限制性三体问题（CRTBP）共线平动点附近存在着大量的周期轨道族。

Periodic Stream Lines in the Three-Dimensional Square Cell Pattern

三维方形单元PATTERN的周期流线

Using the difference between neutron and proton number in atomic nucleus, the" Element's Periodic Law of Threedimensional ( solid)" is constructed preliminarily.

前言：通过原子核内中子数与质子数的差值&中质差，探讨构建“元素立体周期律”的可能性。

In chapter 3 the mechanism of extraordinary transmission through metal film perforated by periodic arrays of apertures is discussed.

第三章主要讨论正方形小孔和同轴波导周期性阵列的超强透射机制。第一部分介绍圆形小孔阵列的超强透射机制，第二部分介绍一维狭缝不同厚度时的投射机理。