There maybe many layers in a database, e. g. soil type, elevation, land use, land cover.

一个数据库中可能有许多层，例如土壤类型、海拔、国土利用、国土覆盖。

youdao

Please state the generic product type e. g. Washing Machine, Gate Valve, WC etc.

请描述所申请产品类型：如洗衣机，阀门，马桶等。

youdao

Please state the generic product type e. g. Washing Machine, Gate Valve, WC etc.

请描述所申请产品类型：如洗衣机，阀门，马桶等。

youdao