Rainfall is one of the main dynamic input factors of flood forecasting and a prerequisite for ensuring forecasting accuracy.
降雨量是洪水预报的主要动态输入因素之一，是保证预报精度的前提条件。
There are three factors, input factors, technical improvement and technical efficiency, influence the increase of maize yield.
影响玉米单产增长的诸多因素大概可以归纳为三类，一是要素投入，二是技术进步，三是技术效率。
A forecast model for long-term weather forecast is established in terms of a BP neural network using solar-lunar positions as input factors.
采用误差反传前向网络（简称BP网络）方法，以日、月相概率作为输入因子，建立长期天气预报模型。
The only input factors of the simplified model were soil radium content, dry bulk density, water content and soil texture type and the output was soil radon exhalation rate.
模型只需输入土壤样品镭含量、容重、质量含水率和质地名称，就可以输出该样品的氡析出率理论值。
Thus, for a specified level of output, we may attempt to find a set of values for the input factors so as to minimize the production cost.
因此，对某一特定的产出，可以通过对各个投入参数赋予不同的值，从而找到一个最低的生产成本。
This algorithm not only can effectively perform the data preparing and samples pretreating, but also can abstract components from input factors.
该方法可有效地进行数据准备和样本预处理，并可以对输入因素进行成分提取。
This algorithm not only can effectively perform the data preparing and samples pretreating, but also can abstract components from input factors.
该方法可有效地进行数据准备和样本预处理，并可以对输入因素进行成分提取。
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