“closed professional sports league”的概念、定义、翻译、参考文献-科学参考

单词	closed professional sports league
释义	closed professional sports league Encyclopedia 教育学职业体育机构释 closed professional sports league封闭式职业体育联盟不存在升降级制度、对球队预算硬约束和新球队准入实行严格控制的职业体育组织。
随便看	plane algebraic element plane analytic geometry plane and volume hologram plane angle plane angle of a dihedral angle plane angle of dihedral angle plane antenna plane at infinity plane circular restricted three-body problem plane component plane-concave lens plane configuration plane control survey plane-convex lens plane coordinate plane coordinates plane cubic plane curve plane curve location plane cutting plane dihedral angle planed immunization plane division by circles plane division by ellipses plane division by lines

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。