“doughnut”的概念、定义、翻译、参考文献-科学参考

单词	doughnut
释义	doughnut Physics doughnut①环形室 ②环形真空罩 ③电子回旋加速器室 Mathematics doughnut环形圆纹曲面，环面
随便看	parastatistics parastrophic determinant parastrophic matrix parastrophic quasigroup parastrophy parasymbiosis parasympathetic nerve parasympathetic nervous system paratactic paratactic lines paratactic mapping parataxy paratellurite paraterm Paratethys sea paratext Paratheatre paratheca parathion parathion; O,O-diethyl O-(4-nitrophenyl) phosphorothioate parathyrin parathyroid diseases parathyroid fuctional disorders parathyroid gland parathyroid hormone

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。