需要用其他芯片把数字代码重新转换成普通的电视信号。

It will need other chips to reconvert the digital code back into normal TV signals.

《柯林斯英汉双解大词典》

输入任何字母数字代码，并与朋友分享它，以便向他们发送您的图像。

Enter any alphanumeric code and share it with your friends in order to send your images to them.

youdao

逻辑单位象数字代码一样，它自身就是功能单位，[但又]不仅有功能单位的意义。

Logic units are functions themselves and not mere values for functions, as digital bits are.

youdao

So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选