This can automatically check vision, optometry and axial length measurement without the participation of professionals.

这可以自动检查视力、验光和轴长测量，无需专业人员参与。

I just used three examples of length measurements with three different units, inches, feet, and meters.

我刚刚使用了三个不同单位的长度测量示例：英寸、英尺和米。