“quad”的意思、由来-百科全书

词条	quad
释义	quad measurement unit of energy equal to 1 quadrillion (10¹⁵) British thermal units (British thermal unit) (BTU). The quad is a convenient unit for describing national and world energy resources. One quad is also equal to 293 billion kilowatt hours, or, for fuels of average heating values, 183 million barrels of petroleum, 38.5 million tons of coal, or 980 billion cubic feet of natural gas.
随便看	Rivers, Larry Riversleigh fossils River Spey Rivers, Richard Woodville, 1st Earl, Baron Rivers Rivers, Thomas Milton River Stour River Suir Rivers, W H R River Tamar River Tay River Tees river terrace River Teviot River Thames Riverton River Trent River Tweed River Tyne River Waveney River Wear River Weaver River Welland River Wharfe River Wye River Yare

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