“user charge”的概念、定义、翻译、参考文献-科学参考

单词	user charge
释义	user charge Encyclopedia 管理学〔公共经济政策与管理〕释 user charge使用费政府在提供某些以交换为基础的公共产品（物品或劳务）时按使用者付费的原则所收取的费用。
随便看	principle of minimum identification information principle of minimum potential energy principle of minimum potential energy for linear elasticity principle of monodromy principle of moral education principle of nested intervals Principle of Net Profit principle of neural coding principle of non-intervention principle of non-toxic, recovery and reduction principle of normality principle of objectivity principle of one-person，one-vote principle of one property one right principle of optical equivalence principle of optical path reversibility principle of optimality Principle of Option principle of oral argument principle of original horizontality principle of original lateral continuity principle of patent application principle of people's sovereignty principle of periodization principle of permanence

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。