By 2014, at current rates of relative growth, China's economy will pass the US, in absolute size, to be the biggest in the world, at PPP.

按照当前两国的相对增长速度，以购买力平价计算，到2014年，中国经济的绝对规模将超过美国，成为世界第一大国。

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As you can see from the output (Listing 2), the perror function displays the string you pass to it, followed by a colon, a space, and then the textual representation of the current errno value.

正如您可以从输出(清单2)中看到的，perror函数显示了传递给它的字符串，后跟冒号、空格，接着是当前errno值的文字表示形式。

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The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.

磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。

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