“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	rule of derivation rule of detachment rule of disjunction rule of electroneutrality rule of elimination rule of equal amount of substance rule of equality rule of erecting beam rule of erecting column rule of exportation rule of false position rule of five rule of generalization rule of hypothetical syllogism rule of identity rule of implication rule of importation rule of inference rule of infinite induction rule of joining a disjunction rule of joining an equivalence rule of law rule of law in sport rule of law on policing rule of law 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。