... signed integer 带符号整数 signed magnitude 符号量值 signed magnitude representation 符号量值表示 ...
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允许的数字表示法是二补数，一补数，和符号量值。注意所有这些数字系统同意正数数字的表示。
The allowed number representations are two ' s - complement , one ' s - complement , and signed - magnitude . note that all of these number systems agree on the representation of positive numbers.
用增量值编程时，以径向实际位移量的二倍值表示，并附上方向符号(正向可以省略)。
When programming with incremental value, in radial direction, the displacement of two times the actual value, and the enclosed said direction signs (omit the positive).
零件尺寸的两个极限之差称为公差，这是一个没有符号的绝对量值。
The difference between the two limits of size of a part is called the tolerance, an absolute amount without sign.
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