“long span”的概念、定义、翻译、参考文献-科学参考

单词	long span
释义	long span [`lȯŋ ¦span] ^ENGINEERING Span of open wire exceeding 250 feet (76 meters) in length.
随便看	channeling machine channeling radiation channel iron channelizing channel-lag deposit channel light channel marker channel mask channel miles channel morphology channel-mouth bar channel net channel order channel pattern channel plate multiplier channel process channel program channel pulse channel read-backward command channel read command channel reliability channel roughness channel sample channel sand channel segment

科学参考收录了103327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。