分层分组结构  LGS

分组分层  hierarchical models of grouping

时间分层分组抽样  time stratified packet sampling

变组分煤层气  Various component coal bed methane; various components coal bed methane

饼式分层绕组  cross-over winding

不堵塞地层的组分  non-plugging constituent

层次可分组设计  hierarchical group divisible design

层析组分  chromatographic component

床层组分  bed-component

大型分层视频组播  Large-scale layered video multicast

地层组分  complex reservoir

地层组合控制塌陷分布  strata association and collapse distribution

断层分组出现  appearance of faults in groups

断层组合分析法  fault combination analysis method

多层分组  multilayer cluster

分层结构的空时分组码  LSTBC

分层块空时分组码  layered block space-time

分层气流组织  stratified air distribution

分层区组随机化  Stratified blocked randomization

分层视频组播  layered video multicast