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Explanation: U.S. senators serve (or work in their public position) for six-year terms that are staggered, which means they dont all begin and end at the same time. One-third of the senators are elected every two years. With staggered terms, there ar
发表于:2018-12-28 / 阅读(52) / 评论(0)
美国精神
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发表于:2018-12-30 / 阅读(72) / 评论(0)
单词解析速记
Empty your mind.Be formless, shapeless, like water. 摒除杂念 无形无像 像水一样 Now you put water into a cup.It becomes the cup.You put water into a bottle.It becomes the bottle. 你把水倒进杯子,水就成了杯子的形状,你把水
发表于:2019-01-23 / 阅读(78) / 评论(0)
名人传记
拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配
发表于:2019-02-01 / 阅读(57) / 评论(0)
实用英语