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。
2
At present, a large numberof outflowing rural elite labor in China has led to the void of rural construction subject, the situation is partly caused by the dislocation of rural education.