模: mould; pattern; matrix量: measure capacity密度: density; thickness比: 2密度比: density ratio标量密度: scalar density; scalardensity波动量密度: wave momentum density测量密度: density measurement场能量密度: density of field energy; densityoffieldenergy纯量密度: scalar density磁通量密度: density, magnetic flux; magnetic field density; magnetic flux density; magnetic-flux density电量密度: electric current density电通量密度: dielectric density; dielectric flux density; electric flux density动量密度: momentum de ity; momentum density; momentum thickness度量密度: metric density光能量密度: optical energy density光通量密度: density of luminous flux; lube flux density; luminous flux density过量密度: excess density角动量密度: angular momentum density流量密度: density of volume流量密度标: flux density scale流量密度谱: flux density spectrum能量密度: density, energy; energy de ity; energy density; energyde ity; fluence能量密度谱: energy density spectrum; energy-density spectrum能通量密度: energy flux density