| 词汇 | gigaton |
| 释义 | gigaton noun[ C ] (alsogigatonne)uk /ˈɡɪɡ.ə.tʌn/ us /ˈɡɪɡ.ə.tʌn/ environment specialized a unit of mass equal to one billion metric tons(= units equal to 1,000 kilograms), used especially when talking about the amount of ice melting at the North and South Poles or the amount of carbon dioxide(= a gas formed when carbon burns) in the atmosphere: How many joules of energy does it take to raise a gigaton of sea ice 1°C? The prize will be awarded to a project that can draw at least one gigatonne of carbon a year from the atmosphere. How much damage does one gigaton of carbon emissions do? The developing world is set to produce CO2 by the gigaton. A block of bituminous coal 800 metres high and one kilometre long and wide would have a mass of one gigatonne. Measurements in general altitude bathymetric bathymetrically bathymetry be running at somethingidiom calibrate cubic drop elevation factor knee-length metric micro pico- scale setting stopping distance tera- uncalibrated unmeasurable |
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