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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。

standard bicarbonate (SB) standard board standard book standard book standard book
standard book catalogue Standard Book Number(SBN) standard book of reference Standard British English standard catalogue
standard cell standard cell standard cell standard cell design Standard Chartered Bank
standard class standard class standard classification standard classification table standard clock
standard coal standard coal standard coal consumption standard coal consumption rate standard colour chart
standard commission standard commodity standard communication protocol standard component standard condition
standard condition standard condition standard condition standard cone standard cone crusher
standard consistency standard consolidated statistical area standard consumption entry form standard container standard-content lesson
standard contract standard contract standard contract provision standard conversion rate standard conversion rate
standard coordinates standard cost standard cost standard cost standard cost
standard cost accounting standard cost centre standard costing standard costing standard cost variance
standard couple standard credit cost standard cube standard cubic foot standard current generator
standard curve standard curve standard cut standard cycle standard data interchange
standard deduction standard-definition television (SDTV) standard degree standard density standard depth
standard depth standard design standard deviation standard deviation standard deviation
standard deviation standard deviation standard deviation standard deviation standard deviation
standard deviation standard deviation standard deviation standard deviation standard deviation
standard deviation standard deviation standard deviation standard deviation standard deviation
standard deviation standard deviation standard deviation standard deviation standard deviation
standard deviation--standard deviation(SD) standard deviation--standard deviation(SD) standard deviation(SD) standard deviation(SD) standard dialect
standard diet Standard Digital Data Exchange Format standard dilution method standard dimension standard dimension ratio
standard dimension ratio (SDR) standard dimension ratio--standard dimension ratio (SDR) standard direct labour cost standard direct materials price standard disclaimer
standard distinction standard distribution standard Dobson spectrophotometer standard document standard document
standard documentation centre standard dwelling form standard dynamite standard edition standard effective temperature
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