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1·The headphones are amplifying their heartbeat.

耳机在放大他们的心跳声。

2·The technology of amplifying solar energy can save the number of semiconductor materials required for photovoltaic cells.

通过放大太阳能的技术可以节约光伏电池所需的半导体材料的数量。

3·With an amplifying device like a microphone, the speaker can use a natural tone.

有了麦克风之类的扩音装置，演讲者就可以使用自然的音调。

4·The sound-amplifying 3M Littmann Electronic Stethoscope 3200 listens to a patient's heartbeat and beams the beats to Cardioscan software.

这款 3M 利特曼电子听诊器3200放大患者的心跳声并传输心跳数据到心扫描软件中。

5·And has the force amplifying function.

并具有力的放大作用。

6·The lack of liquidity is amplifying these moves.

流动性的缺乏正让这些顿挫得到强化。

7·Amplifying the signal is necessary in engineering.

信号放大在工程上是必须的。

8·Hearing devices help improve communication by amplifying sound.

助听系统通过放大声音来改善交流。

9·What with so many ways of amplifying guitars today, they still want that volume?

今日已经有许多吉他的扩音方法，他们仍想要求音量吗？

10·The outer cells are responsible for amplifying sound, and for modulating its quality.

外耳细胞司职放大声音并调节声音的质量。

(1)amplifying circuit放大电路