理学 层 释 bed 层 对于识别度高、横向延伸较远且具有特殊地质意义的一个或多个单层所划分的岩石地层单位。
＞代数几何＞代数曲线＞释义 sheaf 层 lamina 层，片 layer 层 sheaf 层†，束 stratum 层† tier 层，等级
网络与数据通信 协议体系与组成结构 释文 layer 层
- semiorder linear space
- semioscillation
- semiosis
- semiotic
- semiotic aesthetics
- semiotics
- semiotics of drama and theatre
- semiotic triangle
- semipancratic
- semiparabola
- semiparabolic
- semi-parameter model
- semi-parametric model
- semiparametric model
- semi-partial correlation
- semi-passive radio frequency identification devices tag
- semi-passive radio frequency identification devices tag, semi-passive RFID tag
- semi-passive RFID tag
- semi-path
- semi pentaprism
- semi-pentaprism
- semiperfect
- semiperfect magic cube
- semiperfect module
- semiperfect number