例句 /

After theanalyzing and the researching, the program of developing the deadening composites was worked out; the basic principle of noise-deadening is expanded; the development of the lead fiber and its composites are introduced, and the tests and the analy

After theanalyzing and the researching, the program of developing the deadening composites was worked out; the basic principle of noise-deadening is expanded; the development of the lead fiber and its composites are introduced, and the tests and the analy

摘要通过分析和研究,探索出开发防噪复合材料的工艺方案;阐述了减振防噪的基本原理;对铅纤维及复合材料的研制和开发做了介绍,并对所研制的材料进行了试验分析。