| 释义 |
DEFINITIVE EXAMPLES 权威例句〔primary wave〕An earthquake wave in which rock particles vibrate parallel to the direction of wave travel. It can travel through solids and liquids.地震纵波:岩石微粒的振动平行于地震波传播方向的地震波,它可通过固体和液体美国传统〔secondary wave〕An earthquake wave in which rock particles vibrate at right angles to the direction of wave travel. It can travel through solids but not through liquids.次级波:一种地震波,其范围内的岩石颗粒随波振方向成直角振颤,这种波能穿过固体但不能穿过液体美国传统 |