second normal form 第二范式，第二正规形式
数据库 数据库理论 释文 second normal form, 2NF 第二范式
- membrane attack complex， MAC
- membrane biological reactor
- membrane biophysics
- membrane bio-reactor
- membrane capacitance
- membrane carbohydrate
- membrane catalysis
- membrane catalyst
- membrane channel
- membrane chromatography
- membrane conductance
- membrane contactor
- membrane-controlled transdermal patches
- membrane distillation
- membrane electrochemistry
- membrane electrode
- membrane electrode assemblies
- membrane electrode assemblies, MEA
- membrane electrode assembly
- membrane element
- membrane equilibrium
- membrane equipment
- membrane extraction
- membrane filtration technology
- membrane fission