【Key words】 food security； agricultural research input； grain productivity； policy adjustment；
基于6个网页-相关网页
rice grain productivity 稻谷生产能力
Potential grain productivity 粮食生产能力
comprehensive grain productivity 粮食综合生产能力
grain productivity of arable land 耕地粮食生产力
grain productivity of cultivated lan 耕地粮食生产力相对指数
grain productivity of cultivated land 耕地粮食生产力
grain comprehensive productivity 粮食综合生产能力
productivity of grain 粮食生产力
productivity of grain crop 粮食生产潜力
Therefore, emphasizing the grain production and protecting the grain productivity brook no delay.
重视粮食生产，保护粮食生产能力已刻不容缓。
The increased productivity from farmland made some countries self-sufficient in grain and livestock, and offered effective protection against famine.
农田生产力的提高使一些国家在粮食和牲畜方面能自给自足，并为防止饥荒提供了有效的保护。
Because of high productivity, low price and good applicability, hammer mill is widely used in many industries, such as grain and foodstuff processing industries, pharmacy industry etc.
锤片式粉碎机以其高效、廉价、适用性强等特点，在粮食、食品及医药等行业受到广泛应用。
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