您要查找的是不是：
- "Is the filtration system adequate? What's the clean frequency and renew frequency? 过滤系统是否完善？其清洁频率与更新频率是多少？"
- We are all delighted at the renewal of negotiation. 我们都对谈判能重新开始感到高兴。
- I must renew my membership of the sailing club. 我必须延续我的航海俱乐部会员资格。
- Any renewal of negotiations will be welcomed. 恢复谈判的任何做法都值得欢迎。
- The accident prompted her to renew her insurance. 这一事故促使她为投保续期。
- You are, I apprehend, ready to renew the contract. 据我理解,你愿意续订这个合同。
- Do you want to renew our contract? 你想续订我们的合同吗？
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- A lot of the cost of maintenance go into renew brake. 很多的维修费用都花在了更换煞车方面。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- My subscription to the magazine will soon expire, I will renew it. 我订阅的杂志快到期了，我将续订。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- When is the renewal date of the bill ? 哪一天是汇票的展期日?
- Next summer there will be a renewal of swimming. 明年夏天游泳的热潮又会恢复。
- The falling out of friends is the renewal of love. 朋友越吵越亲热。
- The book is overdue. You'll have to renew it. 书已过期，你得续借。
- People need to continually renew their ideas. 人的思想和观念需要不断更新。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
