Fuzzy integrated object-level evaluation model

module-level object

object level access protection

object level control

object level instruction

object level program

object level structure

object-level search

LEVEL level

object object-poor

4-level frequency modulation (4-level FM)

bi-level programming model with two lower level models

coupling mechanism between upper level and low level jet

coupling of high level jet and Low level jet

Digital Signal Level 0- Digital Signal Level 3 DS0-DS3

fiscal system at county level and township level

four-energy-level laser (=four level laser)

high-level and low-level jet

interaction between upper level and lower level