判断题
长度比是一个常量，它既不随着点的位置不同而变化，也不随着方向的变化而变化。
发布日期：2021-09-16
对
错
试题解析
点的
点的，拼音diǎn de，谓白色小点。
- 中文名
- 点的
- 条目
- 点的
- 注音
- ㄉㄧㄢˇ ㄉㄜ
- 拼音
- diǎn de
比是
比是是汉语词语，读音为bǐ shì，意思是既是。
- 中文名
- 比是
- 注音
- ㄅㄧˇ ㄕㄧˋ
- 拼音
- bǐ shì
- 释义
- 既是
长度
长度（Length）是一维空间的度量，为点到点的距离。通常在量度二维空间中量度线段边长时，称呼长度数值较大的为长，不比其值大或者在“侧边”的为宽。所以宽度其实也是长度量度的一种，故此在三维空间中量度“垂直长度”的高度都是长度。
- 中文名
- 长度
- 符号
- L
- 适用范围
- 数理科学
- 外文名
- Length
- 拼音
- cháng dù
- 释义
- 一维空间的度量，为点到点的距离
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