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id值通常是一个整型 —确切的说是主键。
The params.id value is usually an integer — the primary key, to be exact.
youdao
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有关这是“自然确切小数”这是很好的使用十进制值。
For values which are "naturally exact decimals" it's good to use decimal.
youdao
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有关这是“自然确切小数”这是很好的使用十进制值。
For values which are "naturally exact decimals" it's good to use decimal.
youdao