This article provide two programs which can get the second negative output from the power level of a main low-dropout regulator.

本文给出了两种从一个主降压稳压器的功率级得出一个第二负输出的方案，这两种方案具有广泛的实用价值。

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While chess programs have played at a world-class level for two decades, backgammon software based on the same brute-force approach has never achieved more than a weak intermediate level of play.

ECONOMIST: Stop the war

Mr. JEFF LANDY (Information Technology Association): There is recognition that the majority of students in our graduate level math, science and engineering programs are actually foreign nationals and we have two choices.

NPR: Critics: High-Tech Visas Cheat U.S. Workers