The public Psychological Course, which is a primary course to train teachers in teachers colleges, need further improvement in curriculum design, teaching methods and teaching hours.
高师公共课心理学作为培养师资的主干课程，它的课程设计、教学手段、教学时数都有待于进一步的改进。
The process selection in hydrogen chloride production was introduced, as well as the improvement of this process and units in the course of design and installation.
介绍了氯化氢生产的工艺路线选择及在采用二合一炉法的设计安装过程中对工艺流程设备、仪表等的改进内容。
The fifth part is conclusion, sum up the whole course of research and design, and forecast the possible improvement and consummate in the technology in the future.
第五部分为结论，对整个研究设计的过程进行了总结，并对将来在技术上可能进行的改进和完善进行了展望。
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