时间-时间-时间交换网络
Time-Time-Time Switching Network TTT
通话的收费时间
chargeable duration of calls
固定的收费时间表
Fixed schedule of charges
措施与建议
Measures
Countermeasures and Suggestions
Measures and Suggestions
countermeasures and propose
调试结论与建议
result and advice of debugging
对策与建议
Countermeasure and Proposals
Countermeasures and Suggestions
Measures and Suggestions
Countermeasure and suggestion
countermeasures and proposals
Suggestions
measure and suggestion
counter-measures and suggestions
approaches and suggestions
strategy and advice
measures and advice
Countermeasure and recommendations
tactic and suggestion
strategy
发展前景与建议
developing potential and suggestion
发展与建议
development and suggestion
Development suggestion