释义 |
电力线diànlìxiàn 1.描述电场分布情况的假想曲线。曲线上各点的切线方向与该点的电场方向一致,曲线的疏密程度与该处的电场强度成正比。{line of electric force; imaginary curve describing the distribution of an electric field, with tangent lines to the points on a curve in the same direction of the field and the density of the curve in direct ratio to the density of the field} 2.称输送动力用电的导线。{power line} |