zero launch

例句：

1. 1.The zero launch of the spacecraft was a major success.
   航天器的零发射取得了重大成功。
2. 2. The zero launch of the spacecraft was a major success.
   航天器的零发射取得了重大成功。
3. 3.The zero launch of the spacecraft was a major success.
   航天器的零发射取得了重大成功。