中英▼
go top

standard ruler

  • 标准尺，标尺

网络释义英英释义

  标准尺

... 标准齿轮 master gear 标准尺 standard ruler 标准尺寸 module ...

基于2300个网页-相关网页

Standard ruler

  • abstract: A standard ruler is an astronomical object whose approximate size is known. By measuring its apparent angular diameter in the sky, one can determine its distance from Earth.

以上来源于: WordNet

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块？

感谢您的反馈，我们会尽快进行适当修改！
进来说说原因吧 确定
小调查
请问您想要如何调整此模块？

感谢您的反馈，我们会尽快进行适当修改！
进来说说原因吧 确定