Then the variation of main engine parameters were analysed based on the simulation results. This work laid the foundation for fault detection and diagnoses of this engine.

在引入故障影响因素的情况下，针对液体火箭发动机中常见的典型故障模式进行稳态故障效应仿真和分析，为该发动机的故障检测与诊断工作奠定了基础。

youdao

And on that question, research from the Kauffman Foundation leaves no doubt: New firms are the main engine of job creation in this country.

FORBES: How to Start Up Job Creation Again