Under a federal mandate known as E911, they had to upgrade their networks to ensure that anyone dialling the 911 emergency number could be located to within 100 metres.
英
美
释义
遵照一条叫做E911的联邦法令,他们要升级服务网络,确保能找到任何拨打911呼救电话的人所处的位置,误差不超过100米。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载