“directional light source”的概念、定义、翻译、参考文献-科学参考

单词	directional light source
释义	directional light source Encyclopedia 理学光源释 directional light source平行光源平行光源是理想化的发出光线平行无发散的光源。
随便看	standardization of sampling standardization of transportation safety standardization problem standardization program standardization review standardization system of sports industry standardized standardized achievement test standardized coefficient standardized design standardized design of ground engineering standardized design of machinery standardized distribution standardized fertility rate standardized frequency function standardized function standardized gap standardized moment standardized mortality ratio standardized normal distribution standardized random variable standardized realization standardized regression coefficient standardized sample value standardized score

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。