If the scaled value is not in the range of representable values for its type, the program is ill -formed.

如果乘积值不在其表达的值域内，则程序就是病态形式的。

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Internally, BigDecimal is represented as an arbitrary-precision unscaled value and a scale factor, which represents how many places to move the decimal point left to obtain the scaled value.

在内部，可以用任意精度任何范围的值和一个换算因子来表示BigDecimal，换算因子表示左移小数点多少位，从而得到所期望范围内的值。

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As soon as the total disk usage has been scaled between 0 and 1,000, it is divided by 10 to acquire a 0-100 value.

一旦总磁盘使用量的范围落在0到1,000的范围内，就会被除以10以获得0到100之间的值。

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However, as portable gaming devices have got more powerful these scaled down versions of console games feel like poor value for money.

FORBES: 7 PlayStation Vita Games That Break the Portable Gaming Mold