单词understratum
n.: = substratum
网络: 底层；底板岩石；下层
下层地层
底层
The lacquer understratum is only 0. mm-0. mm in thickness, and the superficial coat is painted with the mixture of pigment and lacquer.
以生漆作为底层，厚度有0.mm-0.mm，在生漆层上刷有一层生漆与颜料的混合物；
a paper Cup: there is no special blanket layer of understratum clothmap, soft and hard is moderate to transfer more complete.
纸杯专用橡皮布：无底层帆布层，软硬度适中，使油墨转移更完全。
A, grass-roots, also known as understratum, there are two kinds of cotton and paper. Coating is support, fixing paint.
基层，也称底层，有棉布和纸张两种。作用是支持涂料层，固着漆涂料。
understratum gray, a rough.
底层呈灰色，较粗糙。
Cultural context has an effect that can not be underestimated on the current literary understratum writing.
文化情境对当前文学底层书写具有不可低估的影响。
For example, in the research of amalgamation problem between AIS and radar target, it can provide understratum chart platform.
如在AIS与雷达目标融合问题的研究中，可以提供底层海图平台。
Understratum extended design of data network in expressway
高速公路数据网络的底层扩展设计
The Strategy and Plight of Understratum Narration
底层叙事的策略与困境