当所有这些因素放在一起，并且由经济学家计算得出这些数字时，它最终的净值是正数，但只是一个很小的数。
When all those factors are put together and the economists calculate the numbers, it ends up being a net positive, but a small one.
如果从文件中读入一个数字并期望其为正数，那么，在使用其进行进一步处理前对其先验证一下。
If you read a number from a file and expect it to be positive, check that it is before further processing with that number.
因此这个数字可以比0大-，是个正数-，可以等于，也可以小于。
And so this number can be larger than zero — - it can be positive — 0 it can be equal to zero, 0 it can also be smaller than zero.
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.
时窗函数的性质对修正数字滤波器的特性起着决定性作用，所以研究理想的时窗函数显得特别重要。
The characteristic of time-window function plays a decisive role in revising the characteristic of digital filter; therefore, it is particularly important to study ideal time-window function.
同时，给出了三种几何纠正方法来纠正数字化和图纸变形产生的误差。
And three geometric correcting methods are provided for correcting the error originated from the digitizing and the map paper's distortion too.
同时，给出了三种几何纠正方法来纠正数字化和图纸变形产生的误差。
And three geometric correcting methods are provided for correcting the error originated from the digitizing and the map paper's distortion too.
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