您要查找的是不是：
- 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
- quartz frequency 石英频率
- quartz frequency stabilizer 石英稳(定)频(率)器
- 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。
- Your quartz clocks are quite salable on our market. 你们的石英钟在市场上卖得不错。
- Clear, colorless quartz; rock crystal. 水晶，石英透明的无色石英；石英
- 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。
- A light yellow variety of quartz. 一种淡黄色的石英
- The quartz clock keeps very good time. 石英表走得很准。
- DongHai Quartz Glass Products Inc. 东海石英制品总厂。
- Foshan Blue Sea Quartz Stone Co., Ltd. 佛山市蓝海石英石材有限公司。
- ShangHai Quartz Glass Products Co., Ltd. 上海海洲石英玻璃制品有限公司。
- Fuzhou sunsing quartz clock co., Ltd. 福州三兴石英钟有限公司。
- Dandong Oriental Quartz Instruments Co., Ltd. 丹东市东方晶体仪器有限公司。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Linyi City Yuehang Quartz Glass Co., Ltd. 临沂市月航石英玻璃有限公司。
- The quartz watch keeps good time. 石英表走时准。
- Please send us your price list of quartz clocks. 请寄给我们贵方的石英钟价目单。
