密度: density; thickness法: lawx线密度法: roentgen densitometry变密度法: variable-density method测密度法: densitometry等密度法: equidensity technique点密度法: dot density method光密度法: optical densitometric method; optical density method光谱密度法: power spectral density method; spectrodensitometry基线密度法: base-line density method精密度法则: precision rule密度梯度法: density gradient menthod像素密度法: dot density method象素密度法: dot density method烟密度法: test method for flammability of plastics-smoke density test页岩密度法: shale density method蒸气密度法: vapor density method蒸汽密度法: vapour density method薄层光密度法: tlc-densitometry低电流密度法: low-density method反射性测密度法: reflexion densitometry密度基准定度法: density standard calibrating method平衡泥浆密度法: balanced mud de ity method; balanced mud density method飞点扫描测光密度法: flying-spot scanning densitometry中子通量密度法功率测量装置: power measuring assembly based on neutron flux density