Both men were married twice, their first wives were named Linda, and their second wives were both named Betty.
这两个男人都结过两次婚，而且他们的第一个妻子都叫琳达，第二个妻子都叫贝蒂。
Their first target is to win their first ever World Cup point and their second is to try and avoid finishing bottom of the group.
他们的首要目标是赢得自己在世界杯上的第一分，其次是努力避免在小组中垫底。
Ghana attacked straight from the whistle and their second minute move ended with Andre Ayew firing wide.
加纳队在比赛一开始就发动猛攻，但是在第二分钟因为安德烈·阿尤打门偏出而结束。
Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.
利用集合的表示函数、支撑函数、距离函数和投影等研究闭凸体的典范表示及点到边界的投影特征。
Some relationships among the support function and indicator function of a convex set and their second-order epi-derivatives are given.
利用集合的表示函数、支撑函数、距离函数和投影等研究闭凸体的典范表示及点到边界的投影特征。
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