“near-sightedness”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	near-sightedness
释义	near-sightedness 近视眼
随便看	variable elevation beam variable elevation beam-antenna variable error variable evaluation variable excitation variable expansion variable expansion valve variable expense variable expense ratio variable factor variable factor input variable factory over head variable factory overhead cost variable field variable field length variable field storage variable flow variable flow control variable-flow pump variable-flux reactor variable flux voltage variation (VFVV) variable focal length variable-focal-length lens variable focal length lens variable-focus condenser