If you ignore 1900, you can figure out if a given year is a leap year just by looking to see if the rightmost two bits are zero.
如果你忽略1900年,你就可以通过观察最右边的两位是否都为零来判断某一年是否为闰年。
Two or more satellites slamming into each other could create many more out-of-control bits that would pose even more hazards to the growing collection of satellites in space.
两颗或两颗以上的卫星相撞可能会造成更多的失控碎片,从而对太空中日益增多的卫星构成更大的威胁。
They keep out bits of wood or stone.
它们把木块或石块挡在外面。
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