但如今，大坝导致下游水量的减少为这种蜗牛无限制的繁殖提供了条件，也使得一些地区的血吸虫疾病大肆传播。
Now, the decreased flow downstream from the dam is allowing the snails to breed unchecked, which has already led to a spike in schistosomiasis cases in some areas.
采用自适应变步长的后向传播算法（ABPM）构建了一个人工神经网络用水量预测模型。
The following paper constructs a artificial neural network - named water quantity predicting model, using automatically adapting and step-self-changing back propagation method(ABPM).
研究表明，在MJO对流主体自西向东传播的过程中，华西地区的秋季降水量呈先增加后减少的趋势。
The results show that autumn rainfall patterns change from enhanced to suppressed in west China when the main MJO convective body propagating from west to east.
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