The device has several advantages such as adjustable wide current range, controllable wide voltage range, circuit interface compatible with TTL, small volume and easy modulation.

该器件不仅输出电流可调范围宽、允许工作电压变化范围大、电路接口与TTL兼容，而且体积小、调节方便。

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And adjustable speed the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods.

变风量空调控制系统以变频调速为手段，分时段设定静压值以实现节能。

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Adjustable sound volume, and optional vibration.

可调音量，和可选的振动。

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Moroney is still buying Golden West Financial (nyse: GDW - news - people ) as well, because of the large volume of its adjustable-rate mortgage business, which partially insulates it from rising rates since interest on ARMs is by definition not fixed.

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