最好的解决之道是添加选择提示，而不是仅仅通过变换被选中对象的视觉属性。

The best solution here is to add selection indicators to the object, rather than merely indicating selection by changing any of the selected object's visual properties.

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其制图部分使用户可以方便地对楼层图上各种消防设施和房间标志进行添加、删除、移动、修改及尺寸变换；

The drawing software lets the user expediently add, delete, move and modify fire detection or fire fighting facilities on the building floor maps.

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包括窗帘和横幅等变换声学设备也被添加，以确保各种类型高清视听的表演。

Transformable acoustical devices including curtains and banners have also been added to ensure high clarity of sound for various types of performances.

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