That would mean satellite and launch rocket would have to be designed in tandem, so customers could not shop around for different launch vehicles.
那就意味着卫星和助推火箭必须同步设计，这样消费者才不会为各种发射器多番比较。
2
This paper established the internal ballistics equation for the high-low pressure launcher with tandem construction when the rocket motor is ignited in the launch tube.