垂: hang down; droop; let fall尾: hairs on a horse's tail spik ...的: 4次方是 The fourth power of 2 i ...相对: opposite; face to face静: still; calm; motionless面积: area矩: carpenter's square; square r ...相对静面积矩: area-moment ratio平尾相对静面积矩: horizontal-tail volume ratio方向舵相对静面积: rudder volume coefficient尾翼的相对静矩: tail volume ratio三垂尾的: trifinned面积矩: area moment; geometrical moment of area; moment of area相对静偏差: relatie static characteristics deriation; relative static characteristics derivation相对静区: relative dead zone相对静止: relative rest几何面积矩: geometric moment of area截面面积矩: frist moment of area面积矩定理: theorem of area moment面积矩法: area moment method面积矩心: centroid of area相对静止病区: relative silent endemic area莫尔面积矩圆: mohr area moment circle; mohr circle for inertia垂尾单位面积载荷: vertical surface loading债的相对性: relativitat forderungsrechts
