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玛瑙
释义
玛瑙
Encyclopedia
理学
玛瑙
释
agate
玛瑙
透明至不透明,具有同心层状、环带或条带的隐晶质石英几何体。主要成分为α-SiO2,同时含有少量水以及铁、锌、镍、钴、铬、锰等多种微量元素。
理学
宝石矿物
释
agate
玛瑙
具有同心层状、纹带或条带的隐晶质石英质玉石。
Physics
agate
玛瑙{矿}
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
agate
玛瑙
随便看
Crop Protection
crop quality
crop quality analysis by remote sensing
crop radiation mutation breeding
crop resistance
crop rotation
Crop Science
Crop Science Society of America,CSSA
Crop Science Society of China,CSSC
Crop Science Society of Japan, CSSJ
Crop Science Society of the Philippines
crop seed testing
crop shear
crop smart management
crop straw carbonization
crop straw carbonization engineering
crop straw returning
crop structure adjustment
crop system
crop system modeling
crop transpiration
crop transplanting
crop water requirement
crop water requirements
crop water utilization efficiency
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