三次谐波 Third Harmonic ; triple frequency harmonic ; THG ; the third harmonic component
第三次谐波 third harmonic ; third subharmonic
三次谐波电压 third harmonic voltage
第三次声波 third sound
三次谐波振荡 third harmonic generation
三次谐波产生 THG ; Third harmonic generation
三次谐波失真 Third Harmonic Distortion
三次谐波衰减 [电] third harmonic attenuation
三次谐波分量 third-harmonic component
“一周送三次花，体贴又有风度。”波琳娜的母亲说。
"Three bouquets in one week. It's a very refined and thoughtful gesture," Polina's mother said.
哈姬姆希望这种疗法能为现在完全靠口服药来对抗心绞痛发作的病人提供缓解，“平均来看，在用冲击波疗法前，病人一天要吃三次药，治疗后，他们每周才吃三次，生活质量的改善非常明显，”他说，“这不是一个痊愈的疗法，但是一个改善。”
On average, before starting the treatment, the patients took their medication around three times a day. After the therapy, they're taking it around three times a week.
莎拉波娃要夺得首个比斯坎湾冠军，她抽到一个下签。在她后两场比赛中她得面对威廉姆斯姐妹-任何一个都是三次冠军得主。
Seeking her first Key Biscayne title, Sharapova faces a difficult draw. She could face Venus and Serena Williams - each a three-time champion - in her next two matches.
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