查询词典 fluctuation

In this article, the glass transition temperature of a single polyoxymethylene chain adopting the modified bond fluctuation model was studied.

聚甲醛单链的键平均能量随温度增加而增加，比热在玻璃化转变温度 Tg 附近发生突变，同时发现 Tg 与链长 N有：Tg=T∞g -A/ N的关系

In order to further test the implemental effects of the new rule on earning preannouncement we consider to make our systematic analysis of the stability of the stock market in terms of the fluctuation.

我们尝试利用波动率数值的时间序列表现进行研究，力图了解：①预告公司股票日收益率序列的时变条件方差是否满足稳定性要求。

It is impossible to let the economic situation stay in the period of booming forever. However, we hope to know precedently the trend of fluctuation of macro-economy so as to put forward the related policies, properly and correctly, to guide economy developing continually and healthily.

我们不可能使经济永远处于繁荣时期，但却希望能够掌握经济变动的规律，以便能够提前采取相应的调控政策，保证经济得以持续、健康地运行。

The study of the stock price fluctuation law and its prediction is a veryimportant issue for many scholars.

分形理论是非线性科学研究中十分活跃的一个分支，它的研究对象是非线性系统中不光滑和不规则的几何体。

MAIN OUTCOME MEASURES: The average glucose level, diurnal maximum and minimum, fluctuation amplitude, the average preprandial and postprandial glucose values and the time percentage of diurnal glycemic fluctuations.

主要观察指标：动态监测两组受试者的平均血糖水平、日内血糖最高值及最低值、血糖漂移幅度、餐前及餐后的平均血糖值，血糖漂移所占的日内时间百分比。

The range of pressure fluctuation was related to the negative pressure gradient in the standpipe.

压力脉动的幅度随负压差的增加而增大。

The result shows the difference of economic growth mode to be the prime factor which causes the fluctuation of carbon emission, especially, the "high input, high emission and low efficiency" economic growth since 2000, resulting in the rapid growth of the carbon emission.

研究表明，我国经济增长方式的差异是碳排放周期波动的重要原因，特别是其中2000年以来"高投入、高排放、低效率"的经济增长方式直接导致了碳排放的显著增加。

This paper investigates the relationship between agricultural development and price fluctuation of agricultural means of production using the quantitative analysis methods such as co-integration analysis, linear regression, logistic regression and the historical data from 1973 to 2003. We find some causal relationship between them, and get the prognosticate model.

本文运用协整分析、线性回归、logistic回归等定量分析方法，采用1973~2003年的历史数据，对安徽省农业生产资料价格波动与农业总产值的影响关系进行了深入的实证分析，发现了两者之间存在的一些内在联系和制约关系，并给出了反映两者关系的预测模型。

This paper mainly introduces the application experience and pulping performance of a new type rotor for pulper, its outstanding advantages include low power consumption, high production,minimum load fluctuation and good adaptability to the waste paper containing high contaminant content.

摘 要：介绍了一种水力碎浆机新型转子的使用经验和碎浆效果。该转子的突出优势是能耗低、产量大、负荷平稳，对杂质含量不同的废纸的适应性较强。

When the concept of electronic business affairs just entered China 1993, its kernel is punch-drunk it seems that, be regarded as morely a fashionable diction will use. 1996, china appears trade on brushstroke net, website of a batch of B2B rises abruptly quickly, casual in become the network more broad, ecbolic the way of life that gives more appearance. 2 timeses, the shop on the net and portal are not fresh topic any more, more and more people learned to be opened on the network achieve rich door, they run concern of business flow, client outspread go up to Internet, make product and service more demand of user of press close to, form new value chain, swim fluctuation interest relative rises jointly, form more efficient strategy alliance.

当1993年电子商务的概念刚进入中国时，它的内核似乎是模糊不清的，更多地被当作一个时尚用语来使用。1996年，中国出现第一笔网上交易，一批B2B网站迅速崛起，不经意中把网络变得更为宽广，催生出更多样的生活方式。2.0时代，网上商店和门户都已经不是新鲜的话题，越来越多的人学会了在网络上打开创富之门，他们把业务流程、客户关系治理都延伸到互联网上，使产品和服务更贴近用户需求，形成新的价值链，把上下游利益相关者联合起来，形成更高效的战略联盟。

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％。