| 单词 | variable quantity |
| 释义 | variable quantity (once / 96880 pages) n WORD FAMILY variable quantity: variable quantities USAGE EXAMPLESXylose, also called wood sugar, is abundant in nature, being present in variable quantities in most plants. The Guardian(Jul 19, 2013) The period is a variable quantity—from one to over fifty years. Sutphen, Van Tassel, In Jeopardy(2012) The cost of the horses is about �120 to �200, a variable quantity, depending so much on the temper and quality of the bulls. Buck, Walter J., Wild Spain (Espa?a agreste)—Records...(2011) n a quantity that can assume any of a set of values Syn|Hypo|Hyper variable argument a variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable experimental variable, independent variable(statistics) a variable whose values are independent of changes in the values of other variables correlate, correlativeeither of two or more related or complementary variables degree of freedom(statistics) an unrestricted variable in a frequency distribution dependent variable(statistics) a variable in a logical or mathematical expression whose value depends on the independent variable predictor variablea variable that can be used to predict the value of another variable (as in statistical regression) infinitesimal(mathematics) a variable that has zero as its limit chance variable, random variable, stochastic variable, variant, variatea variable quantity that is random scalara variable quantity that cannot be resolved into components tensora generalization of the concept of a vector vectora variable quantity that can be resolved into components factoran independent variable in statistics cross product, vector producta vector that is the product of two other vectors resultant, vector suma vector that is the sum of two or more other vectors radius vectora line connecting a point in space to the origin of a polar coordinate system radius vectora line connecting a satellite to the center of the body around which it is rotating quantity the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable |
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