静力平衡控制面
static balance control surface
静力平衡原理
Equi-librium of coplanar Forces
静力破坏偏应力
static failure deviator stress
静力强塑性
Static strength and plasticity
静力区间有限元
static interval finite element
静力容许的应力场
statically admissible stress field
静力平衡方程
static equilibrium equation
equation of static equilibrium