By using AT89C51, the control part sets the system operation mode and adjusts the output volume.

控制模块采用微控制器at89c51，完成系统的模式设定和音量控制。

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Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.

循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。

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One of the most powerful features of the IBM trace engine is its ability to trigger on trace events, which is vital for creating targeted trace output and reducing the volume of trace data produced.

IBM跟踪引擎最强大的特性之一是它能够在发生跟踪事件时触发，这有助于创建目的明确的跟踪输出并减少产生的跟踪数据量。

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The assets include Marcellus Shale midstream assets, which Chesapeake Midstream said will make it the largest gathering and processing master limited partnership as measured through output volume.

FORBES: Chesapeake Midstream Buys Marcellus Shale Assets

It also features line-level RCA stereo output and stereo headphone output with separate volume control.

ENGADGET: Griffin launches MicConnect XLR microphone adapter, refreshes StudioConnect with Lightning connector (update: hands-on!)

The total value of Japan's economic output measured in yen did not increase at all between 1991 and 2011, because increases in the volume of output during the two decade period were entirely offset by falling prices.

BBC: Q&A: Bank of Japan's inflation target