Not be constrained on textbook, if you have thorough research to thingamy , can consider to study achievement serves as achievement.
不是拘泥于课本上的，如果你对某东西有深入研究，可以考虑研究成果作为成绩。
Theoretically calculate and analyses the effect for dynamical optimize design of the type place of the aircraft due to setting damp reduce thingamy.
从理论上计算分析出由于安装阻尼减振装置，在全机各典型部位的减振优化设计的效果。
The facilities corrosion problems in the petrochemical enterprises not only make the cost of replacing and maintaining facilities increased, but also threaten safe operation of thingamy severely.
石化企业中设备腐蚀问题不仅造成设备更新维护费用的增加，同时严重威胁着装置的安全运行。
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