最后将算例的计算结果与常规液体火箭发动机及固体火箭发动机的相关参数作了对比，脉冲爆震发动机具有更优越的整体性能，因此，有必要对它进行更进一步的研究。
When calculations are compared with the performance parameters of solid engine and liquid engine, it is concluded that PDE has very superior performance. It is necessary to continue research on PDE.
文章简要阐述了湿化学法制备锶镁掺杂的镓酸镧基固体电解质粉末的工艺流程、制备粉体性能及优缺点；
The procedures, advantages and disadvantages of different synthesis methods are analyzed, and the properties of powders synthesized by different methods also discussed.
文章简要阐述了湿化学法制备锶镁掺杂的镓酸镧基固体电解质粉末的工艺流程、制备粉体性能及优缺点；
The procedures, advantages and disadvantages of different synthesis methods are analyzed, and the properties of powders synthesized by different methods also discussed.
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