这是一个简单易用的长度单位转换工具，支持米、厘米、毫米、千米、英里、码、英尺、英寸等单位之间的快速转换。
无需下载安装，即时计算，操作简单。
This is a simple and easy-to-use length unit converter that supports quick conversion between meters,
centimeters, millimeters, kilometers, miles, yards, feet, inches, etc. No download required, instant calculation.
使用方法：
How to use:
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在输入框中输入长度值
Enter the length value in the input box
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选择输入长度的单位
Select the unit of the input length
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其他长度单位的值会自动计算并显示
Values in other length units will be automatically calculated and displayed
特点：
Features:
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支持8种常用长度单位之间的转换
Supports conversion between 8 common length units
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实时计算，即时显示结果
Real-time calculation with instant results
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一键复制转换结果
One-click conversion result copying
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响应式设计，适配各种设备
Responsive design for all devices
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所有计算在浏览器本地完成，不会上传您的数据
All calculations are performed locally in your browser, your data is not uploaded
