作比较,零表示标准浓度。

Where the naught refers now to the standard concentration.

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在第一个规则中，列表中的零表示块之间的间断。

Under the first rule, a zero in the list indicates a break between blocks.

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在下面的示例中，一个图形例程将返回错误代码，或返回零表示成功。

In the following example, a graphic routine returns an error code or zero for success.

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So even though we think of conditions as being Boolean values true or false, really underneath the hood true means anything other than zero.

即使我们考虑,布尔值的真假条件，在底层“真“表示非零。

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I cannot show you the 0 vector.

我应该无法表示出零矢量

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So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.

这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里

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