2) Main grain producing area
粮食主产区
1.
The thesis summar ized achievements since agricultural development in main grain producing area comprehensively, and analyzed contradiction and problems facing agricultural development, meanwhile,stated the train of thought of agricultural development in main grain producing area at the beginning of 21st century, and the ways and measures to deal with it.
粮食主产区在全国农业发展中处于极其重要的地位。
2.
As agricultural specailization region, Main grain producing area is at very important status in economy development.
粮食主产区作为以粮食产业为专业化方向的经济区域,既是工业化及城市化的重要配套工程,又是稳定国家粮食大局的基础。
3) main grain-growing area
粮食主产区
1.
Based on the modified Molow model, the paper has studied the historical actuality about farmer s income growth in main grain-growing area with China s agricultural economy policies since new China, and concludes that making together with implementing economy policy in agriculture has direct correlativity to farmer income growth .
通过改进的索洛模型,对建国以来我国农业经济政策与粮食主产区农民增收发展的历史与现状进行了实证。
2.
Our main grain-growing areas face many problems in improving the synthetic production of grain and protect the safety of our grain.
我国粮食主产区在提高粮食综合生产能力、维护国家粮食安全、实现农民增产增收等方面面临着诸多问题,当前国家加大对粮食主产区保护和支持是十分必要的,又是极为紧迫的,也是切实可行的。
4) main grain product area
粮食主产区
1.
The important effect of main grain product area in China on grain product has been studied in the thesis.
本文分析了我国粮食主产区在我国粮食生产中的重要地位,并通过灰色关联分析法研究了影响粮食产量的相关因素的灰色关联系数,由大到小依次为,粮食播种面积>有效灌溉面积>粮食单产>复种指数>农机总动力>旱涝保收面积>机播面积>机耕面积>农村用电量>机电排灌面积>化肥用量>成灾面积;在此基础上,重点研究了耕地、水资源状况、有效灌溉面积、农业现代化水平及农业科技进步对粮食生产的影响作用。
2.
To take Siping as an example, which is the main grain produce region, The paper analyzes how to turn the superiority of resources into the superiority of industry truly to increase the appended value and efficiency of the agricultural produce, and the peasant income in the main grain product area .
本文以产粮大市四平市为例,分析了粮食主产区怎样抓住国家重视农业、进行生态建设的有利时机,通过生态农业产业化,使资源优势真正成为产业优势,走产业化道路,增加农产品附加值,提高农业效益和农民收入。
5) major production regions of cereal and cotton
粮棉主产区
6) major grain producing areas
粮食主产区
1.
Income of farm household in major grain producing areas is positively correlated with educational level of farm workers,unit grain yield,seeded area of quality grain varieties,and the investment capacity of farm households,and negatively correlated with work time of farm households.
粮食主产区农户家庭收入与农户家庭劳动力受教育水平、粮食单产、优质粮食品种播种面积、农户家庭投资能力呈正相关,与农户家庭农业劳动时间呈负相关。
2.
The major grain producing areas have a very important contribution to protect ing food safety of China.
粮食主产区对于保障我国粮食安全有着突出重要的贡献。
补充资料：主链断裂和主链裂解
分子式：
CAS号：
性质：又称主链断裂和主链裂解。发生在有支链结构高分子的主链上的共价键的断裂反应。可细分为两种类型：一种为主链端基断裂(断裂反应发生在末端链节上)；一种为主链无规断裂(高分子主链的断裂没有固定点，主要发生在弱键处)。
CAS号：
性质：又称主链断裂和主链裂解。发生在有支链结构高分子的主链上的共价键的断裂反应。可细分为两种类型：一种为主链端基断裂(断裂反应发生在末端链节上)；一种为主链无规断裂(高分子主链的断裂没有固定点，主要发生在弱键处)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条