n. a transient variation in voltage or current
n. sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
n. (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
n. a sharp rise followed by a sharp decline
n. 长钉, 鞋钉, 钉状物, 尖峰状物, 穗
vt. 以大钉钉牢, 用尖物刺穿, 阻止, 弃置不用
[计] 尖峰信号