测定单根纱线的抗拉断裂强力和断裂伸长。
Riess explains the new technique: "It's like measuring a building with a long tape measure instead of moving a yard stick end over end."亚当。瑞斯解释了这个新手法：“这就像测量一个建筑，用长卷尺取代短码尺一段又一段的量（，精度高多了）。
This kind of device employs advanced laser scanning measuring technique, which can measure automatically the coal storage in the open coal yard without necessity of shaping coal pile beforehand.它采用先进的激光扫描测量技术，可以在不对煤堆进行事先整形的情况下自动测量出大型露天煤场的存煤量。
