The common feature of these instruments: they all belong to pull strings.

此类乐器的共同特点是：它们均属于拔弦乐器。

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No longer do you need to handle dates and times as strings and pull apart the strings to get individual Numbers or month names.

不再需要将日期和时间作为字符串来处理，提取部分字符串作为单个数字或者月份的名称。

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The app let's you indulge in this image -- you pull strings out of a central sun and flick planets around to pluck the strings.

程序让你沉迷在这样一个画面——你从中心的太阳向外拉直线，避开周围其他的环绕太阳的星球，好把直线画出来。

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As it happens, one of the few foreign companies affected is American International Group, a huge insurer whose boss, Maurice Greenberg, knows how to pull strings in Washington.

ECONOMIST: Dealing for dollars

If you allow them to pull your strings, then you're defeated and then now they're in charge.

NPR: Examining Protocol In Disorderly Conduct Cases

Field-Marshal Hussein Tantawi, head of the Supreme Council of the Armed Forces, which has continued to pull the strings in Egypt, was named defence minister.

ECONOMIST: Politics this week