frequency and power adjustment
active power-frequency control
Automatic Controller of Frequency and Power
Droplet diameter and Frequency control of feedback
electronic power frequency control system
frequency control and analysis center
peak load regulation and frequency control
variable voltage and frequency control
frequency and power feedback
China Satellite Maritime Tracking and Control Department
follow-up control (tracking control)
line-tracking and control
Maritime tracking and control software
Maximum power tracking control
quality tracking and control
Real-time Tracking and Control
Space Tracking and Control
Spaceflight tracking and control
telemetry and tracking control