packet radio service

• 分组无线服务

packet radio service的用法和样例：

例句

1. Even numbers are used for wireline service providers.
   对于无线服务提供商要使用偶数。
2. Both broadband and wireless service fees are expected to decline as geographic service areas increase, in part due to competition for that business.
   随着服务的地理区域增大，预计宽频和无线服务的费用都将降低，部份是由于商业竞争。