“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	contraction mapping principle contraction of a class contraction of a complex space contraction of a graph contraction of a group contraction of a mapping contraction of a matroid contraction of an algebra contraction of an ideal contraction of a representation contraction of a tensor contraction of a tensor space contraction of field operators contraction of operators contraction of tensor contraction of the flexor tendons in young animals contraction operator contraction phase contraction principle contraction relation contraction semigroup contraction theorem contractive contractive coefficient contractive factor

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。