1.The scarceness of wireless spectrum is the bottleneck that hampers the sustainable development of wireless communication services.
无线频谱紧缺是限制无线通信与服务应用持续发展的瓶颈。
2.On the Scarceness and Cultivation of the College Students'Network Moral Character
论当今大学生网际德性的缺失及培育
3.It is analyzed in the article that the reasons of failure were: scarceness of economy basic;
分析了造成该制度供给失灵的原因在于：合作社缺乏经济基础；