“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	hard ellipsoid of revolution type potential hard ellipsoid potential hardenability hardenable hardener hardening accelerating admixture hardening of seedling hardening of the neutron spectrum hardening rate hardening rule hardening seedlings hardening strain hardenite hard environment harderian gland hard error hard excitation hard-facing materials hard-facing materials made by powder metallurgy hard fault hard fescue hard film hard glaze hardground hard gum spots

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。