元素分析仪-稳定同位素比率质谱仪系统(EA-IRMS)
elementary analysis-isotope ratio mass spectrometers(EA-IRMS
超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
部分变元稳定性
partial stability
Stability with respect to partial variables
船舶泊稳稳定性分析
ship berthing stability analysis
具有规定稳定度的调节器
regulator with a prescribed stability degree