理学 水声探测 释 caustic 焦散 在射线声学理论中，使聚焦因子趋于无穷大的现象。使聚焦因子趋于无穷大的点称为焦散点，其邻近区域是射线管聚焦所致的声强急剧增强区，称为焦散区。射线族上由临近声线交聚点（焦散点）所形成的包络线称为焦散线，而由临近声线交聚线（焦散线）所形成的包络面称为焦散面。
计算机应用 计算机辅助设计与图形学 释文 caustics 焦散
- exhibition target
- exhibition team
- exhibition text
- exhibition theme
- exhibition title
- exhibition with restored objects or sites
- exhibits
- exhibits acquisition
- exhibits assemblage
- exhibit selection
- exhibit shipping
- exhibits loaning
- exhumation
- exhumation mechanism
- Exiang Ji
- exicographical equivalent
- Exif Information
- Exif信息
- EXIF信息检验
- Exif文件
- exile
- Exiled Persons in Beginning of Qing Dynasty
- EXIMBANK
- exine
- exine-held protein