...a cassette deck equipped with Dolby noise reduction.是什么意思？

...a cassette deck equipped with Dolby noise reduction.

装有杜比降噪系统的磁带盒

cassette

n. 盒式录音带，摄影胶卷暗匣，弹夹，珠宝箱，宝匣；

例句
...a battery-operated cassette player.
使用电池的磁带播放机

deck

n. 甲板，舱板，[建]平屋顶，桥面，[铁路]客车车顶，〈俚〉地面；vt. 装饰，给…铺上甲板，打扮；

例句
Steamers tooted at us as sailors on deck waved in amusement.
汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。

equipped

装备的；

例句
...two stone forges, each equipped with bellows.
两个都配有风箱的石头熔炉

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

Dolby

[人名] 多尔比；

例句
...a cassette deck equipped with Dolby noise reduction.
装有杜比降噪系统的磁带盒

noise

n. 噪音，嘈杂声，喧闹声，声音，声响，杂音；vt. 谣传，哄传，传说；vi. 发出声音，大声议论；

例句
Urban dwellers often accept noise as part of city life...
城市居民常将噪音当成城市生活的一部分。

reduction

n. 减少，降低，[数学]约简，[摄影术]减薄；

例句
Despite a reduction in earnings there are compensations in moving to the north-east where the quality of life is excellent...
尽管钱会挣得少一点，搬到生活质量高的东北部去还是有很多好处的。