English translation for "发量"
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- volume
- Example Sentences:
| 1. | Review on the measuring and calculation methodologies of evapo - transpiration 腾发量的测定和计算方法研究综述 | | 2. | Reference crop evapotranspiration forecasting model for bp neural networks based on wavelet transform 神经网络参考作物腾发量预测模型 | | 3. | The prediction of shaoshan irrigation district series is researched ; the results show that the model is satisfactory 以韶山灌区参考作物腾发量时间序列为样本,论述了上述模型的优越性。 | | 4. | Reference evapotranspirations of major crops in each zone were calculated using the penman equation . 2 并采用彭曼公式计算得出各分区内的主要作物参照腾发量,同时进一步对分区进行了验证和调整。 | | 5. | In order to reveal the evolutionary law of rce time series process , a forecasting model with the wavelet transform and the bp neural network combined together is established 为研究参考作物腾发量在时间尺度上的分布规律,提出了一种基于小波变换与人工神经网络相结合的参考作物腾发量预测模型。 | | 6. | Reference crop evapotranspiration ( rce ) characterized by its nonlinearity and multi - time scale feature , may vary with the change of time under the influence of stochastic variation of meteorological factors such as temperature , sunlight , wind speed , vapor pressure and so on 摘要受气温、日照、风速、水汽压等因子随机变化的影响,参考作物腾发量时序过程具有非线性、多时间尺度变化等特性。 | | 7. | On the basic , a new solution is put forward that can eliminate transportation paradox . according as the fact in a large - scale material dispatching system , a new transportation model is established , which has many characteristics listed below . firstly , producers " supply capabilities and consumers " demands vary in a certain range 该模型具有两个特点:首先,模型中的发量、收量均为变量,避免了运输问题中的“悖论”问题;其次模型中的中转点具有储存功能。 | | 8. | In the fourth part , the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops . in this paper , the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients , kc of ten crops by kcisa model and the crop water requirements , etc , were computed simply by kc et0 . meanwhile , four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district 本文首先采用fao最新推荐的penman - monteith方法计算灌区的参照腾发量et _ 0 ,用kcisa按照fao的计算方法推求十种作物的作物系数k _ c ;由此基础上计算出作物需水量et _ c ,根据结果分析了不同作物的需水规律;同时用作物缺水量nir (净灌溉需水量)进行频率计算,求出了灌区的四个代表年,并分析了代表年年内自然水分状况和作物缺水规律。 |
- Similar Words:
- "发历疽,石疽" English translation, "发力" English translation, "发力无边" English translation, "发力小的 面粉" English translation, "发力与抗打技术" English translation, "发亮" English translation, "发亮白火焰的煤" English translation, "发亮边框" English translation, "发亮的" English translation, "发亮的玛瑙" English translation
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