| 释义 |
cross-section/krɒsˈsekʃ(ə)n/n. 1a a cutting of a solid at right angles to an axis 横断，横切，横截 b a plane surface produced in this way 横断面，横切面，截面，剖面 c a representation of this 截面图，剖面图 2 a representative sample, esp. of people (尤指人)典型，具有代表性的实例 3 Physics a quantity expressing the probability of interaction between subatomic particles 【物理学】(核反应的)有效截面(用于表达亚原子粒子间相互作用的可能性) □ cross-sectional adj. |