• That is, the compound objective lens has two focal points.

    因而,复合透镜两个焦点

    youdao

  • That is, the compound objective lens has two focal points.

    因而,复合透镜两个焦点

    youdao

$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