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- He varied the transmission frequency. 他變換了無(wú)線(xiàn)電傳送的頻率。
- A unit of frequency equal to one cycle per second. 赫茲頻率的單位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年來(lái)死亡事故發(fā)生的頻率已經(jīng)下降。
- Supplemental aeration is strongly recommended. 補充曝氣是極力推薦。
- Keep good aeration at working area. 工作區域保持通風(fēng)良好。
- Too many plants hinder aeration. 植物太多會(huì )妨礙空氣流通。
- We can often correlate age with frequency of illness. 年齡的大小往往與發(fā)病率有關(guān)。
- The holes in Gruyere are due to aeration. 格律耶爾干酪氣孔多是由于通風(fēng)所致。
- Accidents on that highway are happening with increasing frequency. 那條高速公路上車(chē)禍發(fā)生得越來(lái)越頻繁。
- Koerting ejectors for the aeration process. 科爾庭噴射泵曝氣工藝用。
- The aeration of the room is bad. 這屋子通風(fēng)真差。
- Using in aeration is better room. 必須在通風(fēng)條件好的房間里使用。
- He tuned his radio to the police frequency. 他把無(wú)線(xiàn)電調到警方的頻率。
- Aeration from the bottom of the bin fluidizes the charge. 從料箱的底部吹入空氣使物料流化。
- Those that are used should be equipped with adequate aeration. 這些部位應當配置有適當的充氣。
- To treat(sewage) with aeration and bacteria to aid decomposition. 凈化污水運用通風(fēng)及細菌對（污水）進(jìn)行處理以幫助物質(zhì)分解
- He manipulated the frequency dial of the radio. 他開(kāi)始調撥頻率鍵盤(pán)。
- The pitch depends on the frequency. 音調的高低是由頻率決定的。
- The resulting frequency varies by a few percent. 最終頻率有少許變動(dòng)。
- I am majored in audio frequency amplifier. 我主修音頻放大器。
