| vacuum |
Any pressure less than atmospheric pressure. Viscosity: The inherent resistance of a substance to flow. Voltage: An electrical potential which is measured in volts. Volt-Amp: Unit of electrical measurement that is nearly equivalent to a Watt (identical in DC circuits or when powering devices that absorb all the energy in AC circuits such as incandescent light bulbs). ...
출처: www.digitalinfinity.com/terms_glossary.lasso
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| vacuum |
The vacuum range (space free of matter) is everything but an empty space, which is full of information and energy whose density today is likely to be greater than today
출처: www.raymaster.at/gasseren/glossary.htm
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| vacuum |
Vacuum is a pressure lower than atmospheric. Except in outer space, vacuums occur only in closed systems.
출처: www.kinequip.com/pressure_terminology.asp
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