VIENNA, July 5 (Xinhua) -- OPEC and its allies, collectively known as OPEC+, announced the decision on Saturday to increase oil output by 548,000 barrels per day (bpd) in August, a faster move ...

"Beijing will fully leverage its strengths in technological innovation and international exchange to develop the esports ...

实数在计算机中的表示，也就是浮点数，是科学计算操作的基本对象。可以想见，只具备有限存储空间的计算机永远也不能精确地表示不可数的实数集合。就像上文提到的爱国者，它的计时器只有24位精度。在连续运行100小时后，系统已经累计出了的0.34秒的误差。对于以 ...