n. 零, 零点, 零度, 无, 乌有, 最低点
a. 零的, 没有的
vt. 调零, 对(炮火等)作协调校正
[计] 零
英文释义
n. a mathematical element that when added to another number yields the same number
n. the point on a scale from which positive or negative numerical quantities can be measured
n. the sight setting that will cause a projectile to hit the center of the target with no wind blowing
v. adjust (an instrument or device) to zero value