查询词典 prediction

The goals of climatology are to provide a comprehensive description of the Earth's climate, to understand its features in terms of fundamental physical principles, and to develop models of the Earth's climate that will allow the prediction of future changes that may result from natural and human causes.

气候学的目的在於为地球气候提供广泛的描述，以基本物理原则了解它的特性，并发展一套模式以预测未来因自然或人类引起之地球气候的改变。

The comparison based on FEM, SEA and the closed form solution reveals th e effectiveness of SEA in the prediction of high-frequency response. Next, the energy transmission between two coupled beams is obtained through FEM, and then the CLF used by SEA is built.

然后以耦合梁为例，通过有限元法得到两个梁之间的能量传递，并进而得到SEA所需的耦合损耗因子；将有限元计算结果和SEA结果对比验证了该方法的有效性，以期建立一种用有限元法获得SEA参数的新途径。

The high-frequency response characters of a simple-supported beam is obtained by NASTRAN.The result is strongly influenced by the mesh size.The comparison based on FEM,SEA and the closed form solution reveals the effectiveness of SEA in the prediction of high-frequency response.

利用NASTRAN软件得到一简支梁从低频到高频的频响特性，研究了不同有限元网格划分对结构高频特性的影响，并通过SEA法、有法元法以及解析解的对比揭示了SEA法在高频响应预示中的有效性。

With the help of this variable, a much better model is obtained. Its estimation errors and prediction errors are all very small closing to the measurement error level.

另外，当用一种同系物系列中的化合物构建投影方向时，能得到一个针对同系物的分类，并由此提出了类距离变量，用类距离变量可以建立非常优良的构性关系模型。

It is not only a quantity factor but non quantity factor at the same time to be considered, according to the validity of Taylor expansion formula which is nearby the expansion spot, then the author utilizes judging function of adaptive algorithm and dynamic cluster of the parameter to set up the cluster prediction model of the price of financial assets.

考虑了数量化的因素同时也考虑了非数量化的因素，依据泰勒展开公式在展开点附近的有效性，利用参数自适应算法和动态聚类的判断作用建立了金融资产价格的聚类预测模型。

Gray prediction model ; China ; natural science ; periodical thesis ; coauthor rate ; development trend ; scientific research cooperation.

灰色预测模型；中国；自然科学；期刊论文；合著率；发展趋势；科研合作

With the raise of a calculation method on dynamic friction coefficient of downhole tubing, the calculating accuracy of vertical conduit flow pressure is strengthened for a gas well, which promotes the dynamic analysis and prediction on gas well production.

气井井下油管动态摩阻系数计算方法的提出，提高了气井垂管流动压力计算的精度，对气井生产动态分析和预测起到了很好的推动作用。

Though it is a long history of the research on static friction, many problems, such as relationship between static friction and static contact time, the relationship between static friction and load, and the prediction of static friction coefficient have not yet fully studied.

虽然静摩擦的研究历史很悠久，但仍有一些问题没有解决，如静摩擦与静止接触时间的关系，静摩擦与载荷的关系，以及静摩擦系数的预测等问题。

Designed to complete the composite coefficient of thermal expansion of the calculation and prediction functions.

设计完成对复合材料的热膨胀系数的计算和预测功能。

The results coincide with prediction of model.

这与模型预测的相符。

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％。