手机在网时长-移动联通电信

验证手机的在网时长区间，按自然月统计。在网时长=销号时间-开户时间，停机计入时长。

Verify the active subscription tenure interval of mobile phones, with statistics conducted per calendar month. The active subscription tenure is calculated as the time difference between account cancellation time and account opening time, and service suspension periods are included in the tenure calculation.

搜集汇总

背景与挑战

背景概述

该数据集用于验证移动、联通、电信手机号码的在网时长区间，按自然月统计时长，计算方式为销号时间与开户时间之差，且停机时间计入在网时长。