词汇	骶骨前屈
释义	骶骨前屈医nutation of sacrum
随便看	doubly-connected doubly connected curve doubly connected domain doubly-connected domain Doubly Connected Edge List doubly connected linear programming doubly connected list doubly-connected list doubly connected region doubly connected surface doubly connected surfaces doubly connect list doubly constrained gravity model doubly corticated doubly coupled linear programing doubly coupled linear programming doubly-coupled linear programming doubly covering manifold doubly-curved isoparameter doubly curved reflector doubly-curved shell doubly-decoupling mechanism doubly degenerate doubly-degenerate doubly degenerate parabolic equation