层状模型 meaning in Chinese

stratified model

The background field is calculated with horizontal layer model , based on which 3 - d field is found
在背景场计算中，对地下均匀半空间和水平均匀层状模型的背景场对二次异常场的影响进行讨论。
In chapter 3 , studies the applications of the model to the track structures , which is feasibility by compared with the other algorism of the track structure . because of established the space layered model for the track structures , it shows some advantages at present
用本文模型求解轨道结构，通过算例和轨道结构的其它算法相比较，说明了本文算法的可行性，同时由于本文建立了轨道结构空间层状模型，又有其独特的优越性。