这一发现对传统的月球形成理论发出了质难。
The findings leave traditional thinking about how the moon formed in deep water.
不同的母岩母质,一般形成不同性质的土壤。
少量间充质组织形成的混合物。
泥炭是煤形成的第一阶段,是一种低质煤。
Peat, the first stage in the formation of coal, is a low-rank material.
下面的亚土壤是土壤起始形成的地方,称为母质。
各种植物残体所形成的腐殖质,其性质基本相同。
Various kinds of humus derived from different plant residues are basically the same in nature.
珐琅质,形成保护膜,使您的牙齿更坚固,健康。
Enamel, the formation of protective film, to make your teeth more strong, healthy.
珐琅质,形成保护膜,使您的牙齿更坚固,健康。
Enamel, the formation of protective film, to make your teeth more strong, healthy.
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