＞数理逻辑与数学基础＞模型论＞释义 well-formed formula 合式公式 well-formed formula 合式公式† wff 合式公式
理论计算机科学 可计算性与计算复杂性 释文 well-formed formula 合式公式
- aircraft landing gear
- aircraft landing gear structure
- aircraft landing system
- aircraft landing weight
- aircraft large part collaborative assembly and measuring calibration system
- aircraft leasing
- aircraft level measurement
- aircraft life
- aircraft lifetime
- aircraft lift-drag ratio
- aircraft lift-off speed
- aircraft lighting system
- aircraft lighting system test
- aircraft lightning test
- aircraft load
- aircraft look-down angle
- aircraft low temperature test
- aircraft maintenance
- aircraft maintenance area
- aircraft maintenance equipment
- aircraft maintenance institution
- aircraft maintenance speciality
- aircraft manufacturing technology
- aircraft material allowable test
- aircraft material properties test