粮食产量

中国粮食产量的无偏灰色GM（1,1）模型与预测

Application of Unbiased Gray Model in Forecasting the Grain Yield in China

云南粮食产量对ENSO振动的响应

The primary study of the grain yield of Yunnan Province responding to ENSO

天气变得更加温和，粮食产量也已经提高。

The climate has grown more equable and the crop yields have risen .

在粮食产量上，中国首屈一指。

In the output of grain , China is second to none .

粮食产量翻了两番。

The grain output is quadrupled .

粮食产量激增。

Grain output shot up .

尽管天气不好，粮食产量并未下降，甚至比上年还略有增加。

In spite of the unfavorable weather , the grain output of the farm kept up and even increased a little than last year .

预计到2050年,全球人口将增长到96亿,一些分析人士估计,粮食产量需要提高50%,才能维持目前的水平。

The global population is expected to grow to 9 ． 6 billion by 2050 , and some analysts estimate that food production will need to be raised by 50 percent to maintain current levels ．

嵌入知识的GM（1,1）模型及其在粮食产量预测中的应用

Knowledge-Embedded GM ( 1,1 ) Model and Its Application to Forecasting of Grain Output

这几年粮食产量有le很大增长。

Grain output has greatly increased in the past few years .

更为根本的是，g20必须推动粮食产量的增加，特别是在食品短缺的贫困地区。

More fundamentally , the G20 must promote increased food production , especially in the poor and food-deficit regions .

本周，来自联合国和经济合作和发展组织（OrganisationforEconomicCo-operationandDevelopment）的报道称，一些环境因素，诸如旱灾、减产和土地流失很有可能会制约全球粮食产量的增长。

This week , the UN and the Organisation for Economic Co-operation and Development reported that environmental factors such as droughts , bad harvests and lack of land were likely to limit the growth of global food output .

基于改进B-P算法的内蒙古粮食产量中长期预测

Middle and long term forecasting the grain gross output of Inner Mongolia with back-propagation algorithm

联合国粮农组织（UNFoodandAgricultureOrganisation）的研究表明，只有把全球粮食产量提高70%，才能满足人口增加、饮食习惯变化和城市化所导致的粮食需求上升。

According to research by the UN Food and Agriculture Organisation , global grain production will have to increase by 70 per cent to meet the rise in food demand caused by population growth , changing dietary habits and urbanisation .

本文建立基于BP神经网络的粮食产量预测模型，将国家统计局发布的粮食产量数据作为模型的训练样本和测试样本。

The grain output data released by the State Statistics Bureau is used as training samples and test samples . The prediction by BP algorithm and the BP algorithm optimized by genetic algorithm in grain output prediction model are compared .

美国农业部长TomVilsack表示，任何一个国家都不可能单独实现既减少农业温室气体排放，同时又增加粮食产量。

United States Agriculture Secretary Tom Vilsack said no one single nation can fight agricultural greenhouse gas emissions and increase food production at the same time .

针对中国农村劳动力严重过剩的国情，选用Bruno的生产函数，对我国的粮食产量进行了实证分析。

In this article , Bruno production function is selected for the two step analysis of the Chinese agricultural output , which has taken the country 's surplus labour force and its transfer into full consideration .

对中国粮食产量增长率的波动性进行了实证计量分析，利用最大似然方法估计了3种GARCH族模型（GARCH、T-GARCH和E-GARCH）。

In this article , the author makes an empirical econometrical analysis of increasing rate of China 's grain output . Then he estimates three GARCH models ( GARCH ? T-GARCH and E-GARCH ) with the methods of Quasi-maximum likelihood estimation .

农业复杂巨系统的特点与全国粮食产量预测研究

Characteristic of Agricultural Complex Giant System and National Grain Output Prediction

江西省粮食产量预警系统研究

The Study on the Early Warning System of Jiangxi Grain Yield

免耕对粮食产量及经济效益的影响评述

Review of impacts of no-tillage on crop yield and economic benefit

甘肃省粮食产量气候年景评判方法

Evaluation methods to climate years for grain yield in Gansu province

基于灰色系统模型的河南省粮食产量预测

A projection of Henan grain production based on grey systems models

贵州省粮食产量波动的气象原因及其对策的研究

Meteorological factors affecting grain output fluctuation and its countermeasure in Guizhou

影响齐齐哈尔市粮食产量的灾害因素灰色关联分析

Gray Incidence Analysis on the Factors of the Agriculture Output in Qiqihar

中国粮食产量保险费率的订定方法和保险费率区划

The Formulation of Premium Rate and Its Division in China

常年粮食产量150万吨左右。

Often year food yield 1,500,000 tons be or so .

那个村的粮食产量是2002年的两倍。

The grain output in that village is twice over that of2002 .

官员们将粮食产量降低归咎于干旱少雨。

Officials have blamed the decreased production on a lack of rainfall .

广西粮食产量灰色关联分析

The Grey Correlation Analytic Process of Grain Yield in Guangxi