“up time”的概念、定义、翻译、参考文献-科学参考

单词	up time
释义	up time [`ǝp ´tīm] ^{COMPUTER SCIENCE} The time during which equipment is either producing work or is available for productive work. Also known as available time. ^{INDUSTRIAL ENGINEERING} A period during which value is being added to a product by a machine or a process.
随便看	sympatric sympatric speciation sympetalous symphile Symphyla symphysis symphysis pubis Symphyta symplectic group of dimension n symplectic transformation symplectite symplektite symplesite sympodium symptom symptomatology sym-tetrachlorodifluoroethane sym-tetrachloroethane sym-trioxane synadelphite Synallactidae synandrous synangium synantectic synantexis

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。