reference books with material taken from various sources and arranged according to subjects;general cyclopedia
books and reference materials
books and reference materials of departments
decibels with reference to one kilowatt
a network with sources and a destination
undertake to perform work within a time limit and according to specifications
(thermo) reference material
biological National Standard Reference material
blue wool reference material
Certified reference material
认证参考物质
有证参考物质
标准物质
有证标准样品
有证标准物质
乙烯
标准样品
检定合格标准参考物质
certified reference material CRM
certified reference material for oxygen index
CERTIFIED REFERENCE MATERIAL OF BROMOBENZENE IN METHANOL
certified reference material of nickel-chromium alloy
certified reference material stick for oxygen index
coal standard reference material
Computerized Information Storage， Reference and Retrieval