Because declaring an accurate scale type series points 'values is crucial for getting the correct output.

因为要想得到正确的结果，要求点集序列必须准确的值类型。

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The form of: chain, reciprocating, small scale type, large scale type, and to undertake various industrial furnace combustion equipment.

形式有：链条式、往复式、小鳞片式、大鳞片式、并承接各工业炉窑的燃烧设备。

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By default, the scale for a DECIMAL type is 0, which means the DECIMAL data type mimics an integer type.

默认情况下，decimal类型的刻度为0，这意味着DECIMAL数据类型模拟了整数类型。

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Does it have an increasing-returns-to-scale type dynamic involved?

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