This is a valid program that is required to run at startup.

这是一个合法的进程，它会要求在启动时运行。

youdao

The following program is also valid.

下面的程序也是正当的。

youdao

Is this a valid C program?

这是一个有效的C程序？

youdao

The result of program working is very valid.

经过编程，结果很有效。

youdao

The result of program working is very valid.

经过编程，结果很有效。

youdao