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- Leslie matrix was used to predict population by sex and age during 1991~2000 according to the population census data in 1990.Predicted population in 2000 was compared with the cencus data in 2000 to determine the predictive effect. [方法]利用北京市1990年人口普查资料,用莱斯利矩阵的方法,预测1991年~2000年年龄别、性别人口数,并将2000年的预测人口数与2000年普查的实际人口相比较,以判定预测效果。
- Every point has a predictable effect upon the necessary energy passing through it. 每个点有一个可预见的影响,必要的能量通过。
- Numerical results predict effects of the features of imperfect interface and the strains on these bounds of the effective moduli of such composites, and give reasonable results. 数值上预示了非完美界面特性、有限变形对复合材料有效模量的影响规律，给出了与实际相符合的结果。
- PTTCS method is feasible and reliable and has better predictive effect for PTT outcome than RTS. PTTCS方法可行,对PTT结局的预测效果优于RTS。
- The results from two cases of model prediction in water environment show better prediction effect and are compared with the project pursuit regressive (PPR) model. 通过水环境中的两个实例进行了预测应用，结果表明，预测效果较好，并与投影寻踪回归模型(PPR)进行了对比。
- Before Norwegian Johan Vaaler devised a bent metal clip in 1990, papers were secured by straight pins, which had the predictable effect of gouging their recipients. 在挪威人约安·瓦勒于1990年发明这种弯曲的金属小夹子之前，文件是用明显会划伤接收者的直针固定在一起的。
- And the combining optimized model is established based on maximizing the information values, which comprises all the information of single model and has better prediction effect. 而组合优化预测模型是建立在最大信息利用的基础上，它集结了单一模型所包含的信息，有着更好的预测效果。
- In a written prediction effect (particularly between a mentalist and a single individual), there is a dilemma of who to entrust with the prediction until the time of revelation. 在一个书面预言作用(特别在一个精神论者和一个唯一个体之间)，有委讬谁的困境与预言直到揭示的时期。
- At the same time，the prediction effect about new model and traditional BP-net is compared and the substaintial cause of prediction difference of both types is analyzed. 同时，将新模型与传统BP神经网络模型的预测效果进行了比较，分析了两者出现差异的本质原因。
- I can predict something with great accuracy. 我能很准确地预测某事。
- Because stock forecasting is a uncertain,nonlinear and nonstationary time series problem,it is difficult to achieve a satisfying prediction effect by traditional methods. 由于股票预测是不确定、非线性、非平稳的时间序列问题,传统的方法往往难以取得满意的预测效果。
- However, we found in practice that the fitting or predictive effect of this model sometimes is good, sometimes the deviation is big, and even invalidate completely. 然而,在实践中发现,此模型的拟合或预测效果有时好,有时出现很大偏差,甚至完全失效。
- Using this model，it operates the annual average sunspot serial through wavelet-decomposing，reconstructing，prediction and composing.Then，the total prediction effect is gotten. 运用该模型对太阳黑子年平均序列进行小波分解、重构、预测和合成，得到了序列总的预测效果。
- You can never predict what would happen next. 谁也无法预料接着会发生什么事。
- Punishment had very little effect on him. 惩罚对他没有什么效果。
- It's certain that every effect must have a cause. 无疑，每个结果必定有其原因。
- That measure will be carried into effect very soon. 这项措施将在最近付诸实施。
- My plan has not been carried out with effect. 我的计划未被有效地执行。
- The room shows off her paintings to good effect. 这个房间把她绘画的优点充分显示出来。
- Her words had a soothing effect. 她的话起了安慰的作用。
