The components of solid propellants are of necessity highly reactive and essentially incompatible. 固体推进剂成分必须是很活泼的,基本上是不相容的。
We shall try by means of a highly simplified development to expose certain advantages and disadvantages of solid propellant rocket systems. 我们想通过相当简单的推导来试图阐明固体推进剂火箭系统的某些优缺点。