- relative measurement
- 比较测量
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
relative measurement — santykinis matavimas statusas T sritis automatika atitikmenys: angl. relative measurement vok. Relativmessung, f rus. относительное измерение, n pranc. mesure relative, f … Automatikos terminų žodynas
Relative density — Relative density, sometimes called specific density, is the ratio of the density of a substance to the density of a given reference material. If a substance s relative density is less than one then it is less dense than the reference; if greater… … Wikipedia
Relative permittivity — Relative static permittivities of some materials at room temperature under 1 kHz[1] Material εr Vacuum 1 (by definition) Air 1.00058986 ± 0.00000050 (at STP, for 0.9 MH … Wikipedia
Relative humidity — is a measurement of the amount of water vapor that exists in a gaseous mixture of air and water. Estimating relative humidity The relative humidity of an air water vapor mixture can be estimated if both the temperature ( T ) and the dew point… … Wikipedia
Relative difference — refers to an evaluation of a difference in measures in context with a base measure. It may be contrasted with an absolute difference.One approach to obtain the relative difference of two numbers is their absolute difference divided by the maximum … Wikipedia
Relative effectiveness factor — or R.E. factor is a measurement of an explosive s power for military demolitions purposes. It is used to compare an explosives effectiveness relative to TNT by weight only. This is so engineers can substitute one explosive for another when they… … Wikipedia
Relative change and difference — The relative difference, percent difference, relative percent difference, or percentage difference between two quantities is the difference between them, expressed as a comparison to the size of one or both of them. Such measures are unitless… … Wikipedia
Measurement in economics — The measures used in economics are physical measures, nominal price value measures and fixed price value measures. These measures differ from one another by the variables they measure and by the variables excluded from measurements. The… … Wikipedia
Measurement — For bust/waist/hip measurement, see BWH. A typical tape measure with both metric and US units and two US pennies for comparison Measurement is the process or the result of determining the ratio of a physical quantity, such as a length, time,… … Wikipedia
Relative risk — In statistics and mathematical epidemiology, relative risk (RR) is the risk of an event (or of developing a disease) relative to exposure. Relative risk is a ratio of the probability of the event occurring in the exposed group versus a non… … Wikipedia
Relative bearing — In nautical navigation the relative bearing of an object is the angle formed by the heading of the vessel and a straight line drawn from the observation station on the vessel to the object.The relative bearing is measured with a pelorus or other… … Wikipedia