sard agate 红玉髓玛瑙
sandy sard 砂斑肉红玉髓
sard and sardonyx 肉红玉髓和缠丝玛瑙
Sard theorem Sard定理
extended sard approximation 广义sard逼近
Can Sard 堪萨德别墅
sandy y sard 砂斑肉红玉髓
N an orange, red, or brown variety of chalcedony, used as a gemstone. Formula: SiO2 肉红玉髓 (Also called sardine)
应用推荐