释义 |
质量zhìliàng 1.量度物体惯性大小的物理量。数值上等于物体所受外力和它获得的加速度的比值。有时也指物体中所含物质的量。质量是常量,不因高度或纬度变化而改变。{physical capacity measuring a body's inertia, equal to the ratio of an outside force upon a body to changes in the speed; also the quantity of matter a body contains. The mass of a body is a constant, and not changed by altitude or latitude.} 2.产品或工作的优劣程度{quality of a product or work}: 工程~{quality of a project}|教学~{quality of teaching}|这布~好,又好看,又耐穿。{The cloth is of fine quality; it looks nice and stands wear and tear.} |