4. Acronyms, notations, and symbols
The unit of each quantity shall be expressed using the International System. Base units: length in meters (m), mass in kilograms (kg), time in seconds (s), temperature in kelvins (K), amount of substance in moles (mol). Derived units, expressed in terms of base units: pressure in pascals (Pa: kg · m –1 · s –2 ), energy in joules (J: kg · m 2 · s –2 or Pa · m 3 ), power in watts (W: kg · m 2 · s –3 or J · s –1 ), solid angle in steradians (sr: m 2 · m –2 ...
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Acronyms, notations, and symbols
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