“视力不良”的概念、定义、翻译、参考文献-科学参考

单词	视力不良
释义	视力不良 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	regular net regular network regular n-gon regular nonagon regular norm regular normed space regular number regular number field regular observation regular octagon regular octahedron regular octahedron group regular one parameter subgroup regular one-parameter subgroup regular open set regular operation regular operator regular orbit regular ordinal regular ordinal number regular outer measure regular packing regular pair regular parameterized surface regular parametric representation

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。