相位调变遥测系统（调频调相）的英文

phase modulated telemetering system

• 相位:    phase position; ph ...
• 调:    harmonize; suit we ...
• 变:    become different; ...
• 遥测:    telemetry; telemet ...
• 系统:    system
• 调频:    frequency modulati ...
• 调相:    phase modulation p ...