124 ECM definitions

Electronic Counter Measures 
Electronic Control Module 
Engine Control Module 
Enterprise Content Management 
Error Correction Mode 
Electronic Counter Measure 
Entitlement Control Message 
European Common Market 
Electronic Countermeasures 
Electronic Counter-measures 
Engine Condition Monitoring 
Extended Call Management 
Electronic Control Modules 
Elliptic Curve Method 
Emerging Company Marketplace 
Engineering Change Management 
Enterprise Configuration Manager 
Entity Coordination Management 
Echo Canceller Module 
Electric Coding Machine 
Electromagnetic Countermeasures 
Electronic Cipher Machine 
Electronic Contrast Modulation 
Embedded Cluster Method 
Energy conservation measure 
Energy Conversion Management 
Engine and Condition Monitoring 
Enterprise Change Management 
Entitled Control Message 
environmentally conscious manufacturin…