计算机硬件 计算机管理 释文 hang up 意外停机
- harmonic operator
- harmonic oscillation
- harmonic oscillator
- harmonic-oscillator potential
- harmonic overtone
- harmonic pair
- harmonic parameter
- harmonic pencil
- harmonic pencil of lines
- harmonic pencil of planes
- harmonic perspectivity
- harmonic polar
- harmonic polar curve
- harmonic polar line
- harmonic pole
- harmonic polynomial
- harmonic position
- harmonic power
- harmonic progression
- harmonic proportion
- harmonic quadrilateral
- harmonic quadruple
- harmonic quadruple of lines
- harmonic quadruple of planes
- harmonic quadruple of points