the vector sum of all the forces exerted by an electrical or magnetic field (on a unit mass or unit charge or unit magnetic pole) at a given point in the field
例句
用作名词 (n.)
The field inside the conductor is zero. 在导体内部的场强为零。
Physical aging could exteriorly impose field strength or energy on the molecule in liquor, which could further accelerate liquor aging in a short time. 摘要物理催陈是从外部给白酒中的各类物质的分子施加场强或能量,使得白酒在较短的时间内达到老熟。