Because they were bipedal, their arms were free to evolve flapping flight, which cannot be said for other reptiles of their time.
因为它们是两足动物，它们的手臂可以自由地进化出拍打的翅膀，这在当时的爬行动物中是不可能的。
Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.
此外，尽管人类直立行走已经有数百万年的历史，我们的脚和背部仍在两足行走的姿势中艰难斗争，无法轻易承受过长的四肢持续施加的压力。
This creates the "Canon" of bipedal locomotion.
这就造成了“佳能”双足移动的。
This is a robotic walking machine, bipedal, about 4 meters tall.
这是一个行走机器人，双足，高约4米。
One of these gene machines, a social and bipedal ape, began to imitate.
这些“基因机器”其中的一个，一个群居的两足人猿开始了模仿。
Bipedal locomotion in humans frees the hands for grasping and manipulation.
人用两足行走，双手得到解放，可以用来抓握和操作。
It is said to be a tree climber, but often stands on the ground in a bipedal stance.
据说它是爬树好手，但是却经常以两足站立。
It was fully bipedal and the thickness of its bones showed that it was quite strong.
这是完全双足和骨厚度其表明这是十分强烈。
Human beings, or man - Latin: "wise human", are bipedal primates in the family Hominidae.
人，或人类，拉丁语称为“智人”，属于人科双足灵长类生物。
And finally here is the bipedal version of BigDog that walks heel-to-toe just like humans do.
最后我们这里还有一个两足版的“大狗”，它可以像人类一样利用脚跟和脚趾来行走。
Its body showed advanced bipedal features, but the skull closely resembled the ancient apes.
它身上有先进的双足功能，但头骨非常相似的古类人猿。
The remains are incomplete but enough is available to suggest it was bipedal and about 4 feet tall.
仍然是不完整的，但足够可以显示这是双足和大约4英尺高。
The principle, research method and appraise criterion on Passive-Dynamic bipedal robot are introduced.
介绍了被动动力式两足机器人的基本原理、研究方法、评价标准。
The simulation results suggest that the importance of human body structure in dynamic bipedal walking.
基于理论模型的研究结果，本文研制出含关节柔性的三维动态行走机器人。
Or were they bipedal ground runners whose evolving wings allowed them to take progressively longer jumps?
或者，它们是在地面奔跑的两足动物，不断进化的翅膀使它们跳动的步幅越来越远吗？
The principle, research method and appraise criterion on Passive - Dynamic bipedal robot are introduced.
介绍了被动动力式两足机器人的基本原理、究方法、价标准。
When the time is right, flesh and bone rapidly warp the child into a hulking, bipedal, nine-foot monster.
时机一到，肌肉和骨骼就开始扭曲，把一个孩子变成一个九尺高的可怖怪物。
Absrtact: Gait control strategies are an important factor affecting the walking stability of bipedal robots.
摘要：双足机器人的步态控制策略是保证双足稳定行走的重要条件之一。
Ostriches are descendants of dinosaurs, and the researchers liken ostrich movements to those of bipedal dinosaurs.
鸵鸟是恐龙的后裔，研究人员将鸵鸟的运动比作两足恐龙的运动。
The new findings confirm that the ancient bipedal dinosaur Stegoceras could knock out any of today's top head-butters.
新的发现证实古代两足生物剑角龙可以打败现今顶级的善于头部撞击生物。
With even more armor and power than the Mechanized Arachnid, this bipedal behemoth is the ultimate destructive force!
拥有甚至超过机械蜘蛛的护甲和力量，这种双足的庞然大物才是终极的破坏力！
They are bipedal humanoids, with small eyes and large eyelids, and infrared vision that allows them to see in the dark.
他们是两足人形生物，有着小眼睛和大眼睑。对红外辐射敏感的视觉使他们能在黑暗中看见东西。
Four diminutive humanoids have left the starting block in what's believed to be the world's first bipedal-robot marathon.
四个矮小的人形机器人已离开起跑架，展开一项相信是全球首次举行的双足机器人马拉松赛跑。
But this does not explain why Ardi's species was bipedal (able to walk on two legs) while still living partly in the trees.
但这个说法不能解释为什么“阿蒂”所属的物种还没完全脱离树上生活时就属于两足动物(能用两条腿走路的动物)。
The universal mathematical functions of bipedal locomotion can then be optimized for the known constraints of robotic hardware.
双足移动的普遍数学函数然后可以为机器人硬件已知的约束优化。
Bipedal robots that can walk up stairs seem flatfooted compared with the running, jumping, and traditional-Japanese-fan-dancing Qrio.
这个依靠双足行走的机器人叫克里奥（Qrio），他走台阶如履平地，此外还能跑能跳，甚至还能跳日本传统的扇子舞。
Huey: Letters. Between scientists doing the same kind of research... he always complained that nobody understood his ideas on bipedal locomotion.
休伊：信件。做相同研究的科学家之间那种。他总是抱怨没人理解他关于双足步行的理念。
Huey: Letters. Between scientists doing the same kind of research... he always complained that nobody understood his ideas on bipedal locomotion.
休伊：信件。做相同研究的科学家之间那种。他总是抱怨没人理解他关于双足步行的理念。
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