Using dlsym to extract a hidden symbol returns NULL.

使用dlsym提取一个隐藏的符号将会返回NULL。

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The transport businessman could not believe his eyes when he discovered the symbol of love hidden among the trees.

当看到隐藏在树林中象征着爱的心形标志时，这个商人不敢相信自己的眼睛。

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A minus symbol indicates that a summary task's subtasks are displayed and a plus symbol indicates that its subtasks are hidden.

减号表示摘要任务的子任务处于显示状态，加号表示摘要任务的子任务处于隐藏状态。

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Now the opposition has both hidden from sight Mr Alfonsin, symbol of economic chaos, and stolen Mr Duhalde's welfare clothes.

ECONOMIST: Challenging the Peronists