“射线--半直线”概念、定义、翻译-科学时代

单词	射线--半直线
释义	工程与技术词汇手册 ray 射线；半直线
随便看	Securities and Exchange Commission (SEC) Securities and Exchange Commission--Securities and Exchange Commission (SEC) Securities and Exchange Commission--Securities and Exchange Commission (SEC) Securities and Exchange Commission--Securities and Exchange Commission（SEC） Securities and Exchange Commission（SEC） Securities and Futures Authority Securities and Futures Authority--Securities and Futures Authority (SFA) Securities and Futures Authority (SFA) Securities and Investments Board Securities and Investments Board--Securities and Investments Board (SIB) Securities and Investments Board (SIB) securities association securities borrowing securities business Securities Commission securities company securities company securities compensation fund securities dealer securities dealer securities exchange securities exchange securities exchange securities exchange tax securities finance company

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。

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