USSB Upper Single Side Band 上单边带
upper quadrant single-arm semaphore signal 上向单臂板信号机
single upper case letter [计] 单个大写字母
If it's a single value (for example, an upper bound on a shoe size, or the maximum number of monkeys that can fit in a barrel), leave the constant as it is.
如果只有单独一个值(例如,鞋的最大尺寸,或者笼子中能装猴子的最大数目),则还是把这个任务留给常量吧。
No single GC pause exceeds some maximum upper bound.
没有一个GC暂停超出了最大上限。
And, located on the upper part of the Yangtze River, the site challenges the common idea that Chinese civilization rose from a single source - the Yellow River valley.
而且,这个遗址位于长江上游,对“黄河是中华文明的唯一起源”这一理论提出了质疑。
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