A global variable is a representation of a changeable value which can be accessed and modified using SQL statements.
全局变量表示一个可以使用sql语句访问和修改的可变值。
Studied the changeable rule of fat content, foodstuff value and other quality in the. course of rice vacuum store by experiment affirmed the reasonable rice store method.
通过试验，研究了稻米真空储藏过程中脂肪的含量和食味值等品质的变化规律，确定了稻米合理的储藏方式。
Studied the changeable rule of fat content, foodstuff value and other quality in the. course of rice vacuum store by experiment affirmed the reasonable rice store method.
通过试验，研究了稻米真空储藏过程中脂肪的含量和食味值等品质的变化规律，确定了稻米合理的储藏方式。
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