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

It might be very difficult to ensure that an aspect implemented for very valid reasons does not have unwanted effects on existing program functionality.

要保证一个为非常有效推断所实现的方面不会对现存程序功能带来多余的效果是非常困难的。

youdao

If there are no errors in the server program, the forward is valid; if there are errors, it will be invalid.

如果服务器程序中没有错误，那么转发就是有效的；如果有错误，那它就是无效的。

youdao

In an email sent to customers and a pair of Facebook posts, the firm announced that it will halt updates as of next month and that its security program's VeriSign certificate is only valid until September 15th.

ENGADGET: Victorinox nixes software updates for USB drives, security certificate to expire in September

Poor women who want to receive money through the Benazir Income Support Program, a government plan to give money to poor people, need a valid ID card.

NPR: In Pakistan Town, Men Have Spoken: No Women Vote