frequentlyadv.频繁地;经常地
frequently called number常用电话号码表
frequently used character常用字
frequently asked question常见问题
frequently used integrals常用积分
frequently asked questions常见问答
frequently-called number常用电话号码
frequently occurring faults多发故障
frequently appears question常见问题
frequently occurring illness多发病
Frequently visited page group频繁访问页组