| 单词 |
cross-sectional |
| 释义 |
ˈcross-ˌsectional, a. [f. cross-section n. + -al.] Of or pertaining to a cross-section.
1874Spon's Dict. Engin. VIII. 2931 The difference in cross-sectional area between the two ends of the ram is the area acted upon by the water to lift it. 1896E. Atkinson tr. H. du Bois's Magnetic Circuit 60, S is the cross-sectional area of the bar-magnet. 1916H. Barber Aeroplane Speaks 94 The cross-sectional dimensions must be correct. 1923W. E. Gibbs Clouds & Smokes 137 The cross-sectional area is many times that of the fume. 1941Manch. Guardian Weekly 14 Mar. 214/3 Material descriptive of conditions at present governing the lives of under-twenties (cross-sectional). 1958M. Argyle Relig. Behaviour vi. 38 When age differences in attitudes are found in a cross-sectional survey, it is sometimes possible to account for them by historical factors. 1968R. A. Lyttleton Myst. Solar Syst. iv. 114 Only about 10-5 of its overall cross-sectional area can be producing any reflection. |

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