Finally, notice that the last node in the sequence simply has a mark instead of an arrow.

最后，注意序列中的最后一个节点只有一个标记，而不是一个箭头。

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Letter "PONTIAC", taken from the United States, Michigan, a place: Graphic logo is an arrow with a cross mark.

字母“PONTIAC”，取自美国密执安州的一个地名：图形车标是带十字标记的箭头。

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If the part adds a diagonal straight line arrow, is the variable mark, indicated that its displacement and the pressure are may adjust.

若元件加一斜向直线箭头、则是可变量的符号，表示其排量和压力是可调节的。

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So if we want to put that in chemical terms, we want to make sure we put these in brackets here, and remember, this is the resonance arrow, it's not a reaction arrow, it's a resonance arrow, so make sure you mark it up correctly like that.

那么如果我们把它类比到化学中来，我们要确保它们都放在括号里，而且要记住，这是一个表示共振态的箭头，而不是表示化学反应的，它是一个表示共振态的箭头，因此请务必像这样正确地标记它。

麻省理工公开课 - 化学原理课程节选

The 24-year-old had to check occasionally with his better-sighted team-mates, practicing on either side, to find out whether his arrow had found its mark.

BBC: Korea's blind' archer Im Dong-Hyun aims for 2012 gold

Lend a Hand claimed another top three finish for Mark Johnston as he took second, three quarters of a length ahead of Border Arrow, who snatched third by a neck from Xaar.

BBC: King of Kings conquers Xaar