您要查找的是不是：
- singing return loss 振鸣回损
- Conclusion: The features of breast fibroadenoma were irregular, skin needling or crablike, exiguity calcify and rear active return loss, CDFI: RI>0.75. 结论：乳腺癌的特征性表现为形态不规则，毛刺状或蟹爪状，致密小钙化灶和后方回声衰减，CDFI：RI>0.;75。
- This paper presents the principle and method for measuring various microwave devices return loss by spectrum analyzer and analyses the uncertainty of measurement. 介绍了频谱分析仪测量各种微波器件回波损耗的原理和方法，并对测量结果的不确定度进行了分析。
- SRL(structural return loss) is one of the important indicators of telecom cables, while the capacitance in water of cable may reflect the periodic defect of the production line. 结构回波损耗是通信电缆的重要指标之一,而电缆绝缘线芯的水电容可综合反映生产线上的周期性缺陷。
- Experimental results show that,compared with traditional double-talk detection methods,the new algorithm has comparable computation complexity and works more stably,thus improving the echo return loss enhancement(ERLE) during the double-talk. 实验结果表明,该算法与传统算法相比,运算量相当; 但在双端发声期间,该算法稳定性更高,回音往返损耗增强(E cho return loss en-hancem en t,ERLE)有明显的改善。
- Brastel business communications industry engineering equipment, optical fiber welding machines, optical time-domain launch, T-red light source, optical return loss tester, and all kinds of blades. 敝公司经营通讯行业的工程设备，有光纤熔接机，光时域发射仪，笔式红光源，光回波损耗测试仪，及各式刀片。
- A blackbird nosed up into the sky, singing. 一只山雀唱着歌向空中飞去。
- I want you to put more heart into your singing. 我希望你在唱的时候多带点感情。
- TBRL Terminal Balanced Return Loss 终端平衡回损
- He was pleased to get up to the singing of birds. 他很高兴起床听到鸟的歌唱。
- I enjoy singing, much more listening to music. 我喜欢唱歌，更不用说听音乐了。
- Return Loss Measurement of Fiber Optic Components 光器件的回波损耗测试技术
- I want to sing at a karaoke bar next. 接下来，我想去卡拉OK酒吧唱歌。
- She earned her living by singing in a nightclub. 她靠在夜总会唱歌谋生。
- The kettle was singing (away) on the cooker. 水壶在炉子上发出呜呜声。
- Merry songsters are singing carols. 欢乐的歌手们正在唱颂歌。
- Singing is not really my forte, but I'll try. 唱歌实在不是我擅长的，但是我试着唱唱看。
- The tenor disappointed us by singing flat. 那位男高音歌手调门儿唱得很低，十分扫兴。
- Birds sang/were singing away happily outside. 小鸟在外面愉快地唱个不停。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
