“半直线”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	半直线
释义	请查阅射线--半直线
随便看	hydroxocobalamin hydroxocobalamin hydroxy acid hydroxyamphetamine hydroxyapatite hydroxyapatite coat hydroxyapatite film hydroxyapatite ultrafine-particle (HAP) hydroxybutyrate hydroxybutyric acid hydroxycamptothecin hydroxycarbamide hydroxychloroquine hydroxychloroquine hydroxycorticosteroid hydroxycyclopentane hydroxyethyl cellulose (HEC) hydroxy functional acrylic resin hydroxyglutaric acid hydroxy group hydroxyl hydroxyl hydroxyl hydroxylamine hydroxylamine sulphate