单词 | spike |
释义 | spike [spīk] BOTANY An indeterminate inflorescence with sessile flowers. DESIGN ENGINEERING A large nail, especially one longer than 3 inches (7.6 centimeters), and often of square section. PHYSICS A short-duration transient whose amplitude considerably exceeds the average amplitude of the associated pulse or signal. SOLID-STATE PHYSICS A sputtering event in which the process from impact of a bombarding projectile to the ejection of target atoms involves motion of a large number of particles in the target, so that collisions between particles become significant. |
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