The part of the body of a human being or quadruped on either side of the backbone and between the ribs and hips.
腰部人类或四足动物的身体部分，位于脊柱两侧，肋骨与臀部之间Then the Poincar map of bound gait was defined, and a fixed point of the map was figured out with Newton-Raphson method.
定义了四足机器人被动跳跃步态的庞加莱映射，利用牛顿迭代法获得了庞加莱映射的某个固定点。In which were all the four-footed animals and reptiles of the earth and birds of heaven.
2里面有地上各样四足的走兽和爬物，并天空的飞鸟。Thus, when a new baby is introduced into a family, it can be a challenging time for our beloved four legged creatures.
因此，当一个新的婴儿是引入一个家庭中，它可以是一个富有挑战性的时间，我们敬爱的四足动物。The latter method can be applied to the fuzzy control of the quadruped robot's servo system and has a good effect.
采用第二种方法，应用于四足步行机器人伺服系统的模糊控制，效果良好。This paper studies the realization gait control, taking a quadruped walking vehicle as the subject of the research.
本文以四足步行机器人为研究对象研究了转弯步态控制的实现途径。Ultimately he hoped to extract a generic four-footed locomotion pattern that could be adjusted for a dog, cheetah, lion, or whatever.
而他的终极目标则是提取出某种具有普遍性的四足运动模式，可以在经过调整之后用到狗、豹子、狮子或者随便什么东西上去。any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia.
几种四足食草性长角的恐龙，巨大的颅骨呈鸟嘴状；生活在后白垩纪的北美和蒙古。It may have reared up on its hind legs to reach twigs and leaves, but would normally have been fully quadrupedal.
钉状龙可能用后腿直立起来以接触树叶、树枝，但正常的状态应该是完全四足状态。