- 相关词组
- long run frequency长期频率
- low frequency fluctuation低频起伏
- frequency band频带;
- low frequency furnace低频感应电炉
- low frequency transformator低频变压器
- gas pulse frequency燃气脉冲频率
- accident frequency意外事故频率;
- loss due to frequency conversion变频损耗
- audio frequencyn.成音频率，音频;
- low frequency electrotherapy低频电疗法
- low frequency electrical porcelain低频电瓷
- frequency agility频率捷变;
- long-term frequency stability长期频率稳定度
- low radio frequency低射频;无线电低频
- longitudinal fundamental optical frequency纵向光学基频率
- abnormal frequency[医]异常频率;
- audible frequency可听频率；声频
- frequency modulation调频;
- angular frequency角频率;
- low frequency transfer低频转移
- 今日热词
- 热门搜索
- adaptation n.适应，顺应;改编，改编本;适应性的改变;同化;
- meal n.餐，饭;进餐（时间）;〈英〉一次挤奶量;谷物粗粉（用作饲料或加工面粉）;
- occasion n.机会;时刻;场合;原因 ;v.导致;引起;
- update fail 更新失败;升级失败
- litter n.废弃物，垃圾;杂乱的一堆;一窝幼崽;猫砂;褥草;轿子;v.使凌乱;乱扔;（猫狗）产仔;
- just tell me 告诉我;只要告诉我
- n n. 英语字母表的第14个字母;表示不定数abbr.北方(的);北部(的);牛顿(力的单位)
- operation n.活动;企业;手术;使用;运算;运行;军事行动;
- thief n.小偷，盗贼;<口>（使蜡外流的）蜡烛心结的烛花;
- note n.记录;笔记;便条;短笺;（尤指政府间的）公文;文件;注释;注解;批注;按语;正式文件;钞票;纸币;乐音;音;音符;音键;琴键;（鸟兽的）独特叫声;音调;语调;口气;特征;氛围;信号音;警示音;歌;调;曲调;vt.注意;记录;对…加注释;指出;留意; 指出，表明; 记下; 着重提到，强调; 为 (书等) 加注; 用音符记;
- upon prep.在…上;一…就…;将要发生;
- headteacher n.中小学的校长;
