During live performances, like plays, operas and musicals, sound output as heretofore been largely hindered by whatever speaker system happens to be in place at the venue.

在此之前的现场演出，与戏剧、歌剧和音乐剧一样，声音输出都会被喇叭系统在场地中的位置所限制。

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We will put in place a sound system to guarantee supplies of basic drugs, strengthen drug oversight, ensure drug safety and genuinely cut drug prices.

建立完善基本药物保障供应体系，加强药品监管，确保用药安全，切实降低药价。

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High fidelity acoustics are not only associated with acoustic system and sound source, but also with the acoustic character of the place.

高保真音响效果不仅与音响系统及音源有关，还与听音场所的声学特性有关。

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Situated in a former car dealership, their temporary digs were originally designed as a place for Hsieh to throw parties--with a hot tub, a kitchen and a sound system set up for a disc jockey.

FORBES: Tadpoles

Located in a former car dealership, their temporary digs were originally designed as a place for Hsieh to throw parties--with a hot tub, a kitchen and a sound system set up for a disc jockey.

FORBES: Tadpoles

Once the motor was in place and the robot chip was programmed, the mounted bird was put in the wild along with a discreet sound system playing swamp sparrow calls to attract others.

BBC: 'Robosparrow' created from dead bird