Terms for subject Earth sciences containing major

English	Chinese
economic summit conference of major industrial countries	主要工业国家经济最高级会议
major bentonite	主斑脱岩
major element	主元素
major land resource areas	主土地资源区
major land use system	土地利用大系统【土】
Major Regional Project	主区域水资源计划
major seismic disturbance	强地震扰动
major soil grouping	土壤类群
reduced major axis	最佳主轴
reduced major axis	简化长轴
reduced major axis	简化主轴