测定计 meaning in Chinese

beta gage

Direct reading personal dose equivalent meters and monitors for x , gamma , beta and neutron radiations
X及中子辐射用直接读取式个人剂量等量率测定计和监测器
Electroacoustics - simulators of human head and ear - part 3 : acoustic coupler for the calibration of supra - aural earphones used in audiometry
电声学.人头和耳模拟器.第3部分:用于听力测定计的超听力耳机校正用声耦合器
Packaging - determination of the ultimate aerobic biodegradability of packaging materials in an aqueous medium - method by measuring the oxygen demand in a closed respirometer
包装.在含水介质中包装材料极限有氧生物降解性的测定.封闭式透气性测定计需氧量的测量方法