诺次已经决定了，安装电子蜂鸣器相对来说不算普遍的法律执行技术。

When Knotts was decided, installing an electronic beeper was a relatively unusual law-enforcement technique.

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他们把烙铁和布线的需要，把复杂的电子元件为基本模块如开关、电机、连接器、传感器和蜂鸣器。

They do away with the need for soldering irons and wiring and break down complex electronic components into fundamental blocks such as switches, motors, connectors, sensors and buzzers.

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他们把烙铁和布线的需要，把复杂的电子元件为基本模块如开关、电机、连接器、传感器和蜂鸣器。

They do away with the need for soldering irons and wiring and break down complex electronic components into fundamental blocks such as switches, motors, connectors, sensors and buzzers.

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