second sound

Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.

声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。

The Application of Sound Pattern Theory in the Study of Second Language Acquisition

语音格局理论在第二语言习得研究上的应用

A split-second later there was an asthmatic cough and the sound of a toilet flushing.

接着传来一阵哮喘患者的咳嗽声和厕所里的冲水声.

Second, the sound of the grandchild, the brothers and sisters relationships.

第二 、 健全了祖孙间 、 兄弟姐妹间的关系.

A vowel may say its second sound if It'stands alone in a word.

当元音字母单独在单词中出现时可以发它的第二个音.

And their careers can emerge unscathed, if they give sound reasons for flip-flopping--and stay put for a while in their second stint.

另外，如果能说出让人信服的变卦理由，并且在回去之后继续工作一段时间不跳槽，他们的职业发展也可以不受影响。

The second interrupt is TIM2 timer interrupt, used to play WAV sound files.

第二个中断是TIM2定时中断，用来播放WAV声波文件。

This might sound farfetched, but Alan Willner, a professor of electrical engineering at the University of Southern California, has recently developed a similar technique, which achieved a rate of 32 gigabits per second-about 30 times faster than LTE wireless.

这听起来似乎有些天方夜谭，但南加利福尼亚大学电子工程学教授艾伦o威尔纳最近已经开发出一种类似技术，能够使无线电传播速率达到每秒32G——大约比LTE无线传输快了30倍。

33 8% of the patients were revealed to have lowered respiratory sound at the pulmonary base. Occasionally, fine moist rales accompanied by the accentuation of pulmonic second sound ( P 2) or the diastolic gallop rhythm.

23例（33.8%）患者肺底部呼吸音减低或少许细湿性口罗音伴有肺动脉第二音亢进或舒张期奔马律。