As shown in Figure 7, you can see an explanation of a syntax error in a pop-up window by moving your mouse pointer over an error marker in a margin.
如图7所示，您可将鼠标移动到一侧的错误标记上，然后在弹出窗口中查看关于语法错误的解释。
To see an explanation of an error, hover your cursor over it in the code or double-click on the error in the Problems view.
把光标停留在代码中的错误上，或者双击 Problems 视图中的错误，就可以看到对错误的解释。
The researchers say this provides a potential explanation for how the brains of humans and animals can quickly and accurately determine focus error without guessing and checking.
研究人员称这可以为人类及动物的大脑不用猜测检测机制却仍能快速精确地确定焦距提供一种可能的解释。
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