有变化的

This paper is carried out to analyze the buffeting of long-span steel arch bridge in operation and erection stage. The research is mainly focused on the following aspects: Based on the present AR method, the AIC rule is used for fix the rank of the AR model to improve the simulation precision. Take into account that the wind speed spectrum is vary with the height for the long-span steel arch bridge, simulate the fluctuating wind field.

主要工作有以下几个方面：通过对现有的AR法进行改进，采用最小AIC(A-Information Criterion)准则准确识别模型阶数，提高AR法的计算精度，并考虑大跨度钢拱桥风速谱随高度变化的特点，实现了对三维空间脉动风场的有效模拟。

Systems are things that keep persisting; so it is only tautological that from one moment to the next a system -- even a living thing -- doesn't change much.

系统，是持之以恒的东西，因此，一个系统——甚至一个有生命的东西——从某一刻到下一刻都很少变化，它只是重复的过程。

Genre as a way of social interaction and information dissemination, there is a wide range of temporal change.

语体作为一种人际互动和信息传播的方式，是有多种多样的时态变化的。

The tidal current is the unceasing change, so long as actually has own characteristic is the tidal current!

潮流是不断的变化的，其实只要有自己的特色就是潮流！

Because our country in present and a next long time, the coal resource is scarce, the transportation condition is intense, the coal price top digit movement, the coal electricity contradictory prominent pattern will not have big change this basic situation.

由于我国在目前和今后一个较长的时期内，煤炭资源紧缺，运输状况紧张，煤价高位运行，煤电矛盾突出的格局不会有大的变化这一基本情况。

Its essential character is to protect and utilize the living and constantly changing natural territorial landscape in order to ensure its integrity and typicality.

其本质特征在于对有生命的、不断生长变化的自然领土景观的保护与利用，以确保其完整性与典型性。

Example applications include financial tickers, network traffic monitoring, weband transaction log analysis, and sensor networks. A data stream is a continuous,time-varying, unbounded sequence of data-items, implying that online streamalgorithms are restricted to only one pass over the data.

由于数据流的特殊性：短时间内有大量数据连续到达，这些数据具有随时间动态变化的趋势，怎样对这些流数据使用有限存储空间进行快速处理以获取有用信息，为数据挖掘及其应用研究带来了新的机遇和挑战。

If we look to the official site of support, it is possible to say that it underwent significant changes.

如果我们看一看，以官方网站的支持，是有可能的说，它经历了重大的变化。

Unionization has helped the working class, but a rapidly changing economy and frequent periods of high unem- ployment make it difficult for most of its members to be able to increase their savings greatly.

组织化对劳工阶层已有了很多帮助，但迅速变化的经济状况和频繁出现的高失业期对许多工人来讲很难大幅度提高他们的收入。

What is more significant, women's literature of both countries of the 1990's has some background culture for the likeness of the 1990's, literary cause, and culture of likeness and unlikeness.

而两国女性文学都是在九十年代发生了很大的变化，并取得了空前的成就，所以对此进行比较是很有意义的事情。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。