学术研究 学术作用 lun xue shu qi kan dui xue shu yan jiu de zuo yong
技术 tong xin dian yuan ji shu shi bu shi xue shu qi kan
学术性 通信电源 技术 tong xin dian yuan ji shu shi xue shu xing qi kan ma
技术规范 学术公众 xue shu qi kan wei xin gong zhong hao ji shu gui fan
nong cun xin yong she qi kan