Tool windows can now move freely between docking at the edges of the IDE, floating outside the IDE, or filling part or all of the document frame.

现在可以自由移动工具窗口，使它们停靠在 IDE 的边缘、浮动在 IDE 的外部或者填充部分或全部文档框架。

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Tool tips are small floating text windows that appear when the mouse hovers over buttons.

工具提示是鼠标经过按钮上方时，所显示的小型浮动文字窗口。

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Then using city economics and real estate economics as tool, analyzes the housing problems of floating population deeply, and probes into the method to solve it;

然后运用城市经济学、房地产经济学等理论，深刻剖析了流动人口住房存在的问题，并探讨了其解决的办法；

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