求翻译：掉话产生的原因是多方面的，主要为弱覆盖、邻区漏配、切换问题、干扰问题等导致的，当然也有一些因为硬件或非网络的原因导致掉话。在实际路测以及网络优化工作中，要根据具体现象查找原因，具体问题具体分析。本文给出了TD-SCDMA 网络常见的掉话原因，并进行了详细地分析，从概念入手，描述了掉话事件产生的原因，并针对每一种原因给出了优化建议，提出相应的解决方法， 采取有针对性的措施, 将网络掉话率降到最低。是什么意思？

Dropped calls causes a weak cover adjacent areas drain with switch problems, interference problems caused by, of course, there are some hardware or network reasons lead to dropped calls. To find out the reasons in the actual road test, as well as network optimization, according to the specific pheno

Dropped calls are many reasons for the cause of the weak coverage, mainly for leaks, neighborhoods, and switching issues with interference problems, such as the result of course, there were also some because of a hardware or non-network due to dropped calls. In the actual road test, as well as netwo

There are many reasons, primarily for leakage distribution in weak coverage and adjacent areas, switch, interference problems caused, because of course there are some hardware or non-network of causes leading to dropped calls. In actual road testing and network optimization work, according to the sp