speed course latitude error 速度误差
course and speed computer 航向速度计算机
The Speed Reading Course 快速阅读教程
course and speed calculator 航向速度计算器 ; 航向和速度计算器
Keep Course and Speed 保持航向和航速
course and speed error [水运] 航向和航速误差
Speed over a Recognized Course 认定航线上飞行速度
The course allows students to progress at their own speed.
本课程允许学生按各自的速度学习。
This course is designed so that students can progress at their own speed.
这门课的设计思路是让学生自己掌握进度。
And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.
当然这是一个非常快的速度,它大约是每小时7亿英里,为了更形象化,我们,看看光从地球到月球,需要多少时间,你们猜猜是多少?,8秒,猜的不错。
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