当鼠标指针在屏幕上移动时，感应针的升降状态则代表指针所在位置的文字。
As the cursor controlled by the mouse is moved across the screen, the pins rise and fall to represent the text across which they are moving.
协议必须确保所有的升降机和其它无障碍设备处于正常工作状态。
The agreement must ensure that all lifts and other accessibility equipment are maintained in proper working condition.
结果：改造升降系统控制电路，在未降低原有功能和性能的情况下使之恢复到正常状态。
Results The normal working status restored without compromising its original functions and features after redesign.
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