甘露糖腙重量法
method of weighing mannose-hydrazone
试样减量法
sample subtraction method
守恒标量法
conservative scalar method
conservation scalar quantity method
示差热重量法
differential thermal analysis
differential thermogravimetry
数字网格摄影测量法
Close-range Photogrammetry Based on Digital Grids
双边里兹向量法
two sided Ritz vector method
双变频测量法
double-frequency measurement
双能X光测量法
dual-energy X-ray absorptiometry DXA