能打开自己笔记本电脑的摄像头，然后进行监控，可以判断是否有人靠近电脑，还可以做人脸识别，换个算法- 自动检测语言 . 翻译结果（中 > 英） 复制结果双语对照查看 Can open their own notebook computer camera, and then monitor, you can determine whether someone close to the computer, can also