According to the definition of grain security, this thesis mainly analyses the security of supply, the fluctuation of production, consumption safety and grain security of poor people from the macro-level and micro-level respectively.
本文从粮食安全的定义出发，把粮食安全分解成宏观和微观两个层次，即宏观粮食总量供给安全、生产波动、消费安全和微观弱势人群的粮食安全。
参考来源 - 加入WTO对中国粮食安全的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
Security of supply remains at the top of the EU's energy-policy agenda.
供应安全仍旧是欧盟能源政策的首要议题。
Yet a gassier Europe may not need to worry too much about security of supply.
然而，燃气比例更高的欧洲也许不必过多地为供应安全感到担忧。
It is a cheap form of power but it also gives security of supply and flexibility.
煤炭是一种廉价的能源，但同时它供应充足，使用灵活。
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