| 释义 |
cross-sectional /krɒsˈsɛkʃ(ə)n(ə)l/adjective1Exposed by making a straight cut through a solid form, especially at right angles to an axis: the cross-sectional area of the wood...- The angled cross-sectional profile of the building appears to bellow or expand outwards.
- CAT scan is a computerized x-ray procedure that produces cross-sectional images of the human body.
- The 3D model of the existing structure makes it easy to determine cross-sectional dimensions at any point, in order to highlight areas where additional supports are required.
2Constituting a typical or representative sample of a larger group: a cross-sectional survey of high school students...- Cross-sectional comparisons of school district performance should be possible.
- The telephone survey used a cross-sectional sample of random-digit telephone listings to identify eligible subjects.
- The data for this analysis come from a random sample, cross-sectional survey of Iowa soybean fields.
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