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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。

safe mode safener safe operation safe operation of equipment safe period
safe period method safe-place statute safe port safe radiation level safe reaches
safe receptive capacity safe release altitude safe reliability safe retreat safe running days
safe seed moisture safe shutdown safe shutdown earthquake safe storage safe substitute
safety safety safety safety safety accessory
safety analysis safety analysis safety analysis technique safety and arming device safety and comfort
safety and firing mechanism safety and industrial standard safety and reliability programme safety apparatus safety apparatus
safety apparatus safety appliance safety appliance safety approval plate safety assessment
safety assurance system safety at work safety audit safety band safety barricade
safety belt safety berm safety carrier safety catch safety certification
safety chain safety chain safety circuit safety clutch safety clutch
safety coefficient safety coefficient safety coefficient safety coefficient safety coefficient
safety colour safety command safety command and control safety condition safety control
safety control information safety control system safety copy safety corridor safety criterion
safety criterion safety critical part safety current safety curtain safety cutoff valve
safety decision safety decision rule safety device safety device safety director
safety discharge safety distance safety domain safety domain control mechanism safety education
safety engineer safety engineering safety engineering safety equipment safety evaluation
safety exit of pipe duct safety explosive safety explosive safety extra-low voltage safety factor
safety factor safety factor safety factor safety factor safety factor
safety factor safety factor safety fence safety fence safety film
safety film safety film safety first safety first safety frequency
safety fuel safety fund law safety fuse safety fuse safety glass
safety glasses safety goggles safety hazard safety index safety in information assets
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