Upgradable and compatible with a com software.

不但能更新而且还有兼容性.

The idea of an upgradable machine was a big selling point back then.

一台可升级的机器”在当时是一个大卖点。

If this demonstration is successful, next would be full-scale development of a fleet of actual upgradable satellites.

如果这次试验成功，下一步人们将全面开发真正的可升级人造卫星。

If this demonstration is successful, next would be full - scale development of a fleet of actual upgradable satellites.

如果这次试验成功, 下一步人们将全面开发真正的可升级人造卫星.