平均: average; mean线: thread; string; wire密度: density; thickness平均线离子密度: mean linear ion density平均线: average line; mean line线密度: line density; lineal weight; linear densitylet径迹平均传能线密度: track average径迹平均传能线密度: track average let250天平均线: bull-bear line移动平均线: ema; macd; moving average; smax线密度法: roentgen densitometry标线密度: reticular density布线密度: routing density; wiring density长丝线密度: filament linear-density传能线密度: linear energy transfer, let磁力线密度: density of line of magnetic force; magnetic density电荷线密度: linear charge density公称线密度: nominal liner density基线密度法: base-line density method力线密度: density of lines of force; flux density; lines of force density帘线密度: cord count裂缝线密度: linear fracture density谱线密度: power density; spectral density扫描线密度: fineness of scanning; scanning density; scanning line density射线密度计: gamma ray density meter