As the air-breathing engine, the performance of solid rocket ramjet is determined not only by structure of engine and the performance of propellant, but also by flight condition.
作为吸气式发动机，其性能不仅取决于发动机本身结构和推进剂性能，与飞行状态也有密切的联系。
This should not be detrimental in any way to the performance of the propellant.
这是不应该，不利于以任何方式表现的推进剂。
The performance experiment of arcjet was made in vacuum chamber and argon was chosen as the propellant.
采用氩为推进剂，在真空室中进行了发动机的性能实验。
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