Besides, the development and perfection of O-R MAPPING technology can ensure developing reliable, stuggy and efficient applications when applications access the rock-bottom database.

与此同时，对象-关系映射的久性技术的发展与完善为建立可靠、健壮、高效的应用程序提供了保证。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳的镍基晶高温合金在热处理和久过程中的碳化物演化机制及各种碳化物对合金久性能的影响。