以 s 开头的数学词汇 | 玄数

2012-10-08
sample   样本
A set of data or elements drawn from a larger population and analyzed to estimate the characteristics of that population.
sample

scale   规模,尺度,比例,比例尺,天平

  • A proportion used in determining the dimensional relationship of a representation to that which it represents: a world map with a scale of 1:4,560,000.
  • A system of notation in which the values of numerical expressions are determined by their places relative to the chosen base of the system.
  • A balance or any of various other instruments or devices for weighing.

scale

scale drawing   缩尺图

scalene triangle   不等边三角形
A triangle whose sides are all of different lengths.
sample

scatter plot, scatter graph, scatter chart, scattergram, scatter diagram  散点图
A type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data.
scatter plot

scientific notation   科学记数法
A way of expressing numbers that are too big or too small to be conveniently written in decimal form, multiplied by 10 to the appropriate power, as 1385.62 written as 1.386 × 103.

seasons   季度
One of the four natural divisions of the year, spring, summer, autumn, and winter, beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
seasons

secant   正割;割线

  • A straight line intersecting a curve.
  • A trigonometric function that in a right-angled triangle is the ratio of the length of the hypotenuse to that of the adjacent side; the reciprocal of cosine.