circular layer meaning in English

环层
环肌层
环状层

This dissertation is funded by two projects of national natural science fundation of china numbered by 49734150 and 40234047 , which are the researching into 3 - d structure and geodynamics of interior circular layer in china and its adjacence , the researching into the detail structure of lithosphere and asthenosphere and deep progress in east asia and western pacific . also this dissertation is funded by the special project from the ministry of land and resources numbered by 20001010 titled the researching into lithospheric 3 - d structure in china
本文选题来源于国家自然科学基金重点项目( 49734150 ) 《中国及邻区地球内部各圈层三维结构及动力学研究》、国家自然科学基金重点项目( 40234047 ) 《东亚西太平洋边缘海岩石圈、软流圈细结构及深部过程研究》和国土资源部专项项目( 20001010 ) 《中国岩石圈三维结构研究》。