片语

climate variation trend气候变化趋势

secular variation trend长期变化趋势

topographic variation trend地形变化趋势

air temperature variation trend气温变化趋势

abstract variation of trend抽象变化趋势

diversity variation trend多样性变化趋势

The Variation Trend变化趋势

variation trend of water quality水质变化趋势

variation in trend趋势变化

英汉例句

• owing to good approximation properties of nonlinear estimation for respiratory movement of bp(back propagation) neural network, it can reflect the variation trend of the respiratory motion.

  bp人工神经网络由于其良好的非线性逼近特性被用于呼吸运动估计，可以较好地反映呼吸运动的发展趋势；

• objective to study the variation trend in main disease incidence and the relative control strategy during the period of economic system reform in china.

  目的明确体制转型期我国疾病流行的变化趋势，并提出相应的控制措施。

• the variation trend of estimated frequency and signal-to-noise reflect the work course off use from different side.

  估计频率的变化和信噪比的变化趋势从不同的侧面反映了引信工作的历程。

• by using ar model, the variation trend of generator rotor power angle can be predicted and the transient stability of power system can be determined.

  该方法采用ar时间序列模型，预测故障后发电机转子角的变化趋势，并根据所构造的转子角预测模型多项式是否存在极值作为暂稳的识别判据。

• groundwater dynamic variation is a very important method of getting acquainted with human activities towards the incidence of groundwater system, variation trend and range.

  地下水动态变化研究是了解地下水系统受人类活动的影响程度、变化趋势和变化幅度的一个重要手段。

• a case study in zhanghe irrigation scheme shown the simulated variation trend of the field water depth and the surface flow are accorded with the observed;

  通过对漳河灌区稻田田问尺度水量平衡转化过程的检验表明，模拟的地表出流过程与实测值吻合；

• analyzed the variation trend of the variable parameters pid governor with system error, and received their expression.

  分析了变参数pid 控制器各个参数随着误差信号的变化趋势，得到它们的关系表达式。

• the paper discusses variation trend of biological environment in daqing city in recent years and puts forword countermeasures.

  本文通过调查数据阐述了近年来大庆市生态环境的状况变化趋势，井提出对策。

• using the data of precipitation from 1961 to 2000 in different climatic zones of tibet, the characteristics and variation trend of precipitation during growing period of highland barley are analyzed.

  利用1961～2000年西藏不同气候型农区旬降水量资料，分析了青稞生育期的降水特征及趋势变化。

• the variation trend of mean cloud amount increases at east of inner mongolia and decreases at middle and west of inner mongolia.

  东部地区总云量呈增加的趋势，中、西部地区呈减少的趋势。

• study the pollutant delivery rule and the reason of the variation trend by environmental geology theory.

  运用环境地质学理论研究了污染物运移规律，及造成各种水体水质污染及水质变化趋势的原因。

• based on modis ndvi, this paper studied the variation trend of vegetation index in the years of 2000 to 2004 in ningxia area using quantitative remote sensing technique and slope method.

  采用定量遥感技术及斜率法，以全球植被指数modisndvi数据作为数据源，对宁夏地区2000—2004年期间的植被指数变化幅度及变化趋势进行了研究。

• the above variation trend suggests that effect of the westerly is increasing.

  变化趋势表明西风的作用在加强。

• objective to study the variation trend in incidence of neural tube defects (ntds) during 1988 to 1992 in china.

  目的了解1988～1992年我国神经管缺陷（ntd）发生率的变化趋势。

• analysis shows this model is able to predict the variation trend of short time traffic flow.

  分析表明：该模型较好地预测了短时交通流的变化趋势。

• there exists no obvious linear relationship between the variation trend of the μa value and the va content, just same as the tendency reflected in the test results of melt index.

  其变化趋势同va含量没有明显的线性关系，同熔体流动指数测试结果有相同的趋势。

• by studying the space characteristics, the variation trend of mineralization in space distribution and sequenced rule of geometrical characteristics are shown.

  通过空间特征研究，查明了矿化在空间展布上的变化趋势及其几何特征的有序性规律。

• the 24-hour variation trend of nonlinear parameter indexes may be related to the law of autonomic nerve activity and the law of yin and yang activity in human body.

  非线性参数指标24小时动态变化趋势与自主神经功能变化规律及人体昼夜阴阳变化的规律有相关之处。

• variation trend of cumulative oil production were similar as that of recovery.

  累积产油量变化趋势与采收率变化相近；

• in ucc and cl normalized maps, the variation trend of loess is basically consistent with that of paleosol in dadunling section.

  在ucc标準化图与cl标準化图中，大墩岭黄土与古土壤变化趋势基本一致。

• objective to study the variation trend on the incidence and epidemiological characteristics of birth defects during the period from 1990 through 1999 in anren county.

  目的了解1990~1999年湖南省安仁县出生缺陷发病率的动态变化趋势及流行病学特征。

• the variation trend of fiber qualities for cotton varieties and calibration cotton samples was similar, however, the variation degree of the former was far bigger than that of the latter.

  各棉花品种与校準棉样纤维品质的变异趋势基本一致，但前者的变异程度远大于后者；

• the wavelet coefficient curves of temperature and precipitation on different time scales reveal that the long periodical variation trend is quite different from the short.

  气温和降水在不同时间尺度上的小波系数变化曲线图揭示了气候的长期和短期变化趋势有很大不同。

• the meteorological factors' variation trend of shiyang river basin in the recent 50years was analyzed.

  分析了石羊河流域各站近50年气象要素的变化趋势。

• the results show that, whether for a black oil or a violate oil, the variation trend of phase b.

  根据气-液相平衡理论，研究了黑油和挥发油体系在组成改变情形时的相态变化过程。