方便地

So using theory of power series to define and study function is an effective method of deal with question of function.

因此，用幂级数定义和研究函数是处理函数问题的一种有效的手段，并能给问题的解决带来一些方便，但是，幂级数只是函数的一种表示形式，只有与函数的其他表示形式相互协调和补充，才能真正简洁有效地处理函数问题。

Therefore,a series studies of ice-pier vibration are performed from different aspects in this paper.The main work of this his thesis is summarized as follows:(1) Ice response spectra is proposed based on the idea of a seismic response spectra analysis of str .. uctures.Firstly,ice response spectra on the basis of power spectra density function is established;Secondly,based on the assumption of quadratic parabolic interpolation method,the nonlinear interpolation analysis method of ice response spectra is studied from both theoretical and practical points of view,and the successive computation formulas including ice displacement,velocity and acceleration response spectrum are deduced by Duhamel integral.Furthermore,to analyze the effectivity and applicability of the method, the real temporal curves of ice pressure are used to be studied.The results show that the presented method is more convenient and accurate to study the structural response induced by ice force,also it can be effectively applied in the design of ice resistance.

鉴于此，本文针对冰激桥墩结构振动问题从不同方面展开了一系列与之相关的研究，主要研究内容如下：(1)根据结构抗震反应分析思想提出了冰振反应谱，首先建立了基于功率谱密度函数的冰振反应谱；其次借鉴地震反应谱内插法的思想从理论和实际观点出发，假定在等距离微小时间间隔内冰荷载按二次抛物线规律变化，由Duhamel积分推导出冰振位移、速度以及加速度反应谱的一系列连锁公式，建立了基于非线性内插法的冰振反应谱，并利用实际冰压力时程曲线进行了冰振反应谱数值分析，为以后冰激结构振动的研究提供一种方便、简捷、精确的分析方法，也能够将其有效地应用到结构的抗冰计算中。

It allows to easily and quickly select the probability distribution which best fits to data.

它允许以方便和快速地选择概率分布的最适合的数据。

The research aimed to study the application of self-made leaf chamber groups on measuring the photosynthetic characteristics of Ranunculus ternatus Thunb., to solve the problem of Ranunculus ternatus Thunb. not to be measured during the measurement of photosynthetic characteristics because it leaf was small, grew attaching land, and to provide convenient for microphyll plants during the measurement of photosynthetic characteristics.

［目的］研究自制群体叶室在猫爪草光合特性测定中的应用，以解决在猫爪草光合特性测量中，猫爪草叶片小、贴地生长不易测量的困难，为小叶植物的光合测量提供方便。

Result The results showed that it has the characteristics of good sealing, easy connecting, simple and practical use and rapid time-saving, and the effects are good to measure photosynthetic characteristics of Ranunculus ternatus Thunb. using open measurement pattern. It solved problems that the original leaf chamber groups had large room so the petiole was broke easily when the leaves were clamped and the leaves growing attaching land are measured difficultyly after leaf chamber groups and photosynthesis instrument was assembled.

结果］结果表明，这种叶室密封性好，接驳容易，简单实用，操作方便，快速省时，采用开路测量模式测量猫爪草光合特性效果良好，解决了原配叶室存在叶室较大，夹住叶片时极易折断叶柄及叶室和光合仪组装完成后难以对贴地生长叶片进行测量等问题。

Men and women of every age, who have understood that it is no use to condemn, to lament, to recriminate, but it is better to respond to evil with good.

让我们聆听她那无声但却铿镪有力的呼吁。她告诉我们每个人：在抛弃罪恶的地方便会有极丰富的恩宠，恰恰从你的内心、你的生活开始！

Reeve could have easily remained in rehabilitation, seldom leaving the comfort or convenience of home.

里夫本可以轻松地呆在家里康复，几乎不用离开舒适方便的家。

The OBPES shell system is developed on Microsoft Windows platform using C++ and Prolog languages, with the advantages of effectiveness、removability and friendly interface.

应用工具包括通用报表功能、图形浏览器、界面设计工具、帮助器及与外部数据库的接口，这些工具可以帮助用户更方便、更好地使用OBPES通用骨架系统来建造专家系统。

The temperature of connection was measured using infra-red thermometer and contact resistance of connection was measured using circuit resistance tester.

介绍两种判断电机电气连接故障的新方法，用红外测温仪测试连接点温度，用回路电阻测试仪对接触点接触电阻进行测试，能直观地反映出接触点温度、接触电阻大小，该方法方便、准确、实用。

Although it is flexible, it needs larger storage room and has slower computing efficiency than that other data types do. It should thus be used restrainedly.

虽然使用方便灵活，但是Variant比其它数据类型所占内存大，并且运行速度慢，应该有限制地使用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐