Perfect hexagon is the most compact grouping of wires . 精确的六角形是最密实的钢丝束。
All field splices were bolted using astm a325 hex head bolts . 所有现场拼接都用美国材料试验协会的A325六角形头螺栓。
This is a hexagonal structure in which the two kinds of atom lie in separate layers . 这是一种六角形的结构,两类原子处在分离的层内。
Such designs were square, diamond, triangular or hexagonal shaped pellet areas . 这些设计是正方形的,菱形的,三角形的或六角形的小格区域。
growth rates of between 0. 25 and 1. 3μm/min were reported with the c axis of hexagonal zno grown on(0112)-oriented al2o3 lying in the plane of the film。 据报道,在(0112)取向的Al2O3衬底上生长C轴位于薄膜平面上的六角晶体ZnO的情形中,其生长速率在025mmin和13mmin之间。