Interoperability is still an issue with many coalition and allied participants not to mention inter-service.
互操作性仍然是一个问题，许多联盟和有关参与者之间更不用提服务。
2
The result is a thorough and fascinating reconstruction of a tragedy that encompassed treachery, naivety, inter-service rivalry and, everywhere, bravery.
Purity Protection System saves fuel, reduces the level of deterioration, maintains cleanliness in the engine, increases productivity and inter-service interval.