This is because a main program is required for every application project, but, by default, no program is initially associated with it.

这是因为每个应用程序都需要一个主程序，而在缺省情况下并没有初始关联的用户程序。

youdao

Japan continues to have a program, and test solar sails have been deployed from satellites or rockets, but no one has ever gotten as far as trying to sail them anywhere.

日本一直有这样的计划，并且测试通过卫星和火箭部署的太阳帆，但是目前还没有人试着让帆飞行到任何地方去。

youdao

It's fairly common to invoke a program with input parameters but no command-line options.

带输入参数但是不带命令行选项来调用某个程序是非常普遍的。

youdao

Bronstein reported that the Shooter was offered some witness protection, but no such program exists yet.

CNN: 'Nightmare' at home for SEAL who shot Osama bin Laden

For those with an affiliate program but no physical operations in the state, they could opt to shut down their affiliate programs, or at least kick out all of their California affiliates.

FORBES: California Prepares for the "Amazon Tax"

Pretty clever for a team with no program, but obsolete starting in 2013.

FORBES: Charlotte 49ers Run To Final Four a Reminder of Positives Inherent in College Athletics