查询词典 periodic

This explains why prices in certain markets are subject to periodic booms and busts, because of a lag between the response in production to a change of price.

这一理论解释了某一市场的物价为何受到周期性繁荣与萧条的影响——因为生产对价格变化的反应总是滞后的。

A new algorithm for representing conies precisely is presented using the periodic NURBS. The algorithm requires only four control vertices to represent a full circle using a circumscribing square.

本文探讨了用2次周期性NURBS表示闭合圆锥曲线的方法，导出了精确表示椭圆、抛物线和双曲线的条件，并给出了精确表示圆弧的充要条件；提出了用2次NURBS精确表示圆的新方法。

The authors analyze the chaotic characters of the Duffing equation coacted on by the periodic stimulating force and band-limited white noise.

对经典Duffing方程在周期激励和限带白噪同时作用下的混沌性质进行分析。

The aim of the present paper is to assess the maturity reached by composts from domestic solid wastes prepared under periodic and permanent aeration systems and sampled at different composting time, by means of excitation-emission matrix fluorescence spectroscopy and Fourier transform infrared spectroscopy.

本篇论文的目的就是评估来自城市固体垃圾的堆肥的成熟度。该城市垃圾要通过周期性的和永久性的通风系统进行处理和准备，而且在不同的堆肥时期进行取样，再通过为三维荧光分析和傅里叶转换红外光谱分析来进行评估。

In section 2, we make some preparations for next setion. In section 3, we study the coexistence of the system and derive sufficient conditions of the system and some important corollaries. In setion 4, we prove the existence of positive periodic solutions by the fixed point theory.

本文具体安排如下：第一节介绍引言；第二节介绍准备工作；第三节研究了系统的共存问题，给出了系统共存的充分条件及一些重要推论；第四节利用不动点理论证明了系统周期正解的存在性。

For 2p〓-periodic binary sequences, a new weight function, according to the above presented vector expression of the linear complexity, is defined. By analyzing the weight of the product of a special kind polynomial in finite field, the upper and lower bounds on minimum error, expressed by the here denned weight of the linear complexity, are given in different cases.

对于2p〓-周期二元序列，利用所给出的线性复杂度的向量表示定义了一种新的重量函数，通过研究有限域上一类特殊多项式乘积的重量，分情况给出了用线性复杂度的重量表示的最小错误minerror的上界和下界，这里的重量是由我们所定义的重量函数确定的。

Referring to the mixed ion-exchange equipment in Yankuang Cathay Coal Chemicals Co.,Ltd.going worse,causing the periodic output of water sudden declining,desalinating water lack,mixed bed frequent regenerating,high acid and alkali consumption etc.,the causes were analyzed and the relative countermeasure was taken.

针对兖矿国泰化工有限公司混合离子交换器运行恶化，造成混床周期制水量急剧下降，供脱盐水紧张，混床再生频繁，酸、碱耗高等问题，进行了原因分析并采取措施，使混床恢复运行正常，为企业创造了很好的经济效益。

In chapter 2, By combining the theory of exponential dichotomies of linear system and the method of functional analysis, some sufficient conditions that guarantee the existence and uniqueness of periodic solution of the systems are obtained.

第四章，考虑具有无穷时滞的非线性积分微分方程概周期解的存在性和唯一性问题，利用矩阵测度和不动点方法获得了一类方程的概周期解的存在性与唯一性的充分条件。

A diffracting optical element has a structure that a plurality of layers having a periodic relief pattern varying in height in a period are laminated in proximity to or close contact with each other.

一衍射光学元件具有这样的结构，其中，具有高度在一个周期内变化的周期性凹凸模式的多个层被相互接近或紧密接触地层叠。

This paper,to more complicated stock product,makes use of martingale measure and the method of stochastic analyse,gives the mult-factor pricing model of convertible bonds with redeemable clauses ,combines the actual circumstance of market disburses dividends,discusses the martingale pricing of n-factor convertible bonds with periodic dividends,and induces the pricing formula.

针对较为复杂的股票产品，利用鞅测度和随机分析的方法给出了附有回购条款的可转换债券多因素定价模型，并结合市场分红的实际情况，探讨了在周期付红利下n-因子可转换债券的鞅定价，且给出了价格公式

No, I wanna go to the top of the Empire State Building and make out.

不，我要到帝国大厦顶搂去说明。

Do we see that each of us has a part to play in this building up of the ecclesia?

我们是否看到每个人都是建立教会的一分子？