The total dislocation length per unit volume of material, alternately, the number of dislocations that intersect a unit area of a random surface section.

在单位体积材料中包含位错的长度，或者说在材料内部任意单位截面上位错线的根数。

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The surface of a section of Route 101, paved two years ago by McAdam Road Builders, is now badly cracked and marred by dangerous potholes.

92两年前由McAdam筑路公司修筑的101公路的一段，表面现已严重开裂，并存在危险的坑洼。

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This section at 6 meters below the surface houses the ventilation equipment for the cooling of the transmitters.

地下6米处的这个区域，容纳了信号传送器通风冷却设备。

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It had been left raised up to 4ft (1.2m) along a 0.6-mile (1km) section, about 300ft (91m) below the surface.

BBC: Shell claims progress on North Sea oil leak

When a section is highlighted, a preview of its contents float beneath the surface of the interface, scurrying to the top when their parent option is selected.

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