1·The sand body is developed as strong amplitude echo on seismic section and has a banding distribution with two sets direction on plane.
该砂层组在地震剖面上表现为强振幅反射，强振幅反射在平面上呈两组方向的条带状分布。
2·The reason of existence of banding Carbide structure in Cr12 cold-worked die steel and the influence of asymmetric carbide structure on mechanical behaviour were introduced.
介绍了冷作模具钢中带状碳化物组织存在的原因，以及不均匀的碳化物组织对机械性能的影响。
3·The invention has the advantages of simplicity of structure, low error rate, high reliability, no limitation of width of banding moving object, wide application area and so on.
具有结构简单、故障率低、可靠性高；对带状运动物宽度无限制以及应用范围广等优点。