火箭的训练师琼斯说，麦迪的情况属于扭伤中极轻微的撕裂一类，根本谈不上是真正的撕裂。
Rockets trainer Keith Jones said McGrady has no more than the "micro tears" typical of sprains, rather than a tear.
在对类似于液体火箭发动机这种复杂系统的故障检测过程中，一个非常棘手的问题是缺乏故障类样本。
Lacking of fault samples is a knotty problem in the fault detection of complex systems such as Liquid-propellant Rocket Engines (LRE).
液化推进火箭通过燃烧产生喷气的材料是液体；这种液体有点像汽油、煤油或酒精一类燃料。
The material which the liquid-propellant rockets burn to make the jet gases is liquid. This is something like gasoline, or kerosene, or alcohol that can brun.
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