求翻译：由于语音业务是移动通信业务最重要的组成部分,所以在无线网络优化测试工作中,掉话性能指标一直是测试工作的重点,更能体现用户的主观感受,因此针对掉话问题进行原因分析并迅速解决就显得十分必要了。TD-SCDMA 作为一项新兴的通信技术，其网络优化技术仍在摸索中，出现掉话等网络问题在所难免，这就需要工程人员在一次次的优化过程中积累经验不断完善。是什么意思？

Voice service is the most important part of the mobile communications business, wireless network optimization test work, dropped calls performance indicators have been the focus of the testing, to better reflect the user's subjective feelings, analyzes the reason for the dropped calls problem quick

The voice is the most important mobile communication services, part of the wireless network optimization testing work performance indicators, and the words have been the focus of the work is to test, and more able to reflect a user's subjective experience, and therefore for dropped calls issue for a

正在翻译，请等待...

Because the voice is the most important part of the mobile communications business, so working in wireless network optimization test, performance indicators have been the focus of testing, better reflect the subjective experience of users, cause analysis and rapid resolution for dropped calls issue

Because the pronunciation service is the