“low vision”的概念、定义、翻译、参考文献-科学参考

单词	low vision
释义	low vision Encyclopedia 医学儿童青少年常见病释 low vision视力不良采用对数视力表站在5米远处检查时，凡左右眼之一视力＜5.0的现象。双眼的裸眼视力均≥5.0，为视力正常。又称视力低下。
随便看	outer neighbor set outer normal outer orbital coordination compound Outer Palatines outer pentagon point outer period outerplanar graph outerplanarity outerplane graph outer planet outer product outer production outer-product ring outer quermass outer radiation belt outer radius outer regular measure outer ring outer semidirect product outer-shell outer shell electron outer-shell electron outer Soddy center outer Soddy circle outer solar system

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。