Groundwater level variation has been quantitatively predicted based on the BP neural network model.
基于BP网络模型，对地下水水位变化规律进行了定量预测。
It is also analyzed that amplitude and phase changes of annual term in mean sea level variation with latitude.
进一步分析了海平面上升速率及周年项振幅和相位随纬度变化情况。
Both water storage and level variation have not influenced the tectonic stress field in the study area obviously.
水库蓄水和水位变化对研究区构造应力场没有明显的影响。
Therefore the site has been designed as a flat field with minor level variation to define certain Spaces and activities.
因此本场地已被设计成一块平面场地，以很小的地面起伏落差，来区分相应的特定空间和活动场所。
Mainly analyses several cases of signal level variation in CATV system, and also points out practical methods to be consulted by workers in CATV system.
就电缆电视系统信号电平变化的几种情形作系统的理论分析，并指出解决办法，供广大有线电视系统工作人员参。
By using the methods of phase space construction and correlation dimension, the fractal character of sea level variation along Guangxi coast was analyzed.
采用相空间重构和关联维数方法，研究了广西沿岸月平均海平面变化的分形特征。
Lake basin sequence is formed through and sedimentation, showing the changes of the sedimentary systems or system tracts in time and space with the lake level variation.
湖盆层序是指在湖盆地内由沉积作用形成的一类层序，表现为随湖水面的升降变化沉积体系或体系域在时空上的变化。
It is thought that there is some relation between sea level variation and large earthquakes, and the amount of crustal deformation can estimated by the variation of sea level.
分析认为海平面变化与较大地震的发生有一定的关系，较大地震前后一般会产生地壳形变现象，地壳形变可以通过海平面的变化估算出变化的量值。
The causes of the higher-than-normal water levels of foundation seepage observation holes, and the synchronous water level variation with the upstream reservoir level are analyzed.
并对坝基渗流观测孔孔水位普遍偏高、且与上游库水位变化基本同步的异常性进行了物理成因解析。
As expected, the availability of price information increased the level of competition between the traders, raising prices and reducing the variation in prices between nearby mandis.
正如期望的那样，价格信息的可获得性增加了交易员之间竞争水平，提高了收购价格并且降低了与附近大集市之间的价格变化。
Despite this variation, the TSI has dipped to the same level during the three previous solar minima. Not so during this recent elongated minimum.
即使考虑了这一波动，TSI在前三次的太阳极小期中依然下降到相同的水平，然而在这次较长的极小期却不是这样子了。
The Ecuadorian population examined by Kronforst and his colleagues shows the same white and yellow variation found in Costa Rica but has not yet reached a level of strong reproductive isolation.
通过科瑞·福特斯和他的同事的调查得出，厄瓜多尔的蝴蝶种群与哥斯达黎加的蝴蝶种群一样，都具有白色与黄色种群的变异，但是并未达到一种显著的生殖隔离的水平。
Sometimes, though, you need to inscribe variation down at the class level.
但有时候需要记下类级别的差异。
Overall the absolute level of product regulation fell between 1998 and 2008, and the variation between countries lessened.
总体来说，1998年至2008年，世界生产监管的绝对水平有所下降，同时，国家之间的差异有所减少。
Level 2 introduces a standard set of verbs so that we handle similar situations in the same way, removing unnecessary variation.
第二级引入一组标准的动词，这样我们就可以用相似的方法来处理类似的问题，这消除了不必要的不确定性。
The level of variation between light and dark values areas in an image, or the ratio between their maximum and minimum values.
在轻和黑之间的变化的水准在一幅图像或者在他们最大之间的比率内估价领域以及最小价值。
It has been found that the variation of blood ammonia level in short time strenuous exercise reflects the status of metabolic balance in anaerobic energy supply system.
研究发现，短时间剧烈运动中血氨水平的变化反映了无氧供能系统的代谢平衡状况。
From population level to functional group level, and then to community level, the yearly-variation of aboveground biomass minimizes gradually and stability increases.
从植物种群水平、植物功能群水平到群落水平，地上生物量的年度间变异性逐渐降低，稳定性逐渐增加。
The performance of the commercial Banks can explain about only 30% of the variation of the compensation, so it's not the most important factor that decide the level of senior executives' compensation.
商业银行的绩效变量只能解释高管薪酬30%左右的变化，这说明当前上市银行高管薪酬的决定机制中还没有充分考虑银行的综合经营绩效。
Halliday (ibid) regards metaphor as "variation" in the expression of meaning, which is not only limited at lexical level, but also located in grammatical level.
韩礼德认为隐喻是意义表达的“变异”，不仅局限于词汇层，也常常出现在语法层。
Objective To explore the relations between blood LEP level, LEP receptor variation and breast cancer.
目的探讨血清瘦素水平，瘦素受体变异与乳腺癌发生的关系。
The molecular markers of DNA_based polymorphism reveal the genetic variation at DNA level in laboratory, which have provided a powerful tool to genetic study.
以DNA核苷酸多态性为基础的分子标记技术，在DNA分子水平，实验室条件下，揭示性状的遗传差异，为遗传研究提供了有力手段。
Studying the chromosome of tree peony, is not only knowing the regular of genetic variation but also studying the species of heredity on the cell level.
开展对牡丹染色体的研究，不仅可以从细胞水平上了解遗传变异的规律，而且可以研究不同物种遗传的变异。
However studies before had only discussed the relationship between the level of earnings, net asset per share, variation of earnings or direction and disclosure delay.
以往的研究大多探讨了盈余水平的高低及每股净资产的大小，或盈余变化的大小和方向与披露时滞的关系，没有考虑盈余质量问题。
The phase lag produced by the response of the well water level to variation of air pressure results from permeation of water between the well and aquifer.
由于水在井孔与含水层之间的渗流造成了井水位对空气压力变化的响应产生位相滞后。
In the meantime the time variation of the water level in the ditch has been taken into account, therefore the groundwater head are time-varying as the groundwater flows toward the drain system.
在讨论这个问题时，又考虑进了排水沟中的水位也是随时间而变化的，因此在地下水流动过程中的任一瞬时，其地下水头差也是一个变量。
The variation of iodine level of quail eggs with the iodine-eating schedule was studied by the experiment of different level KI added into basic diets for egg-laying quails.
试验在鹌鹑基础日粮中添加不同水平的碘化钾，研究了碘添加期鹑蛋中碘水平随鹑服碘日程的变化情况。
Over years observations showed that the interference factors for Qingdao geoelectricity are mainly from groundwater level and temperature variation.
多年来的观测表明，青岛地电的主要干扰因素是地下水位和温度。
The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.
结果表明：该属植物种子微形态特征在种的水平上具有分类学意义；同种的不同地方居群间基本类型一致，但也存在一定程度的变异。
The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.
结果表明：该属植物种子微形态特征在种的水平上具有分类学意义；同种的不同地方居群间基本类型一致，但也存在一定程度的变异。
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