call dropping probability

• 会话丢弃概率

call dropping probability的用法和样例：

例句

1. Instead, they save it and sell it to itinerant traders called kabari-wallahs who come to call at regular intervals.
   其他废品被丢弃以后，还要先经过住宅区里的清洁工人和保安的一轮搜刮，才能流入市政环保箱。