Spring-operated and weight-operated motors 弹簧操作和重量控制电机
Spring tendons enhance the foot’s efficiency: some of the energy spent to drop one’s weight down when taking a step is actually stored and then returned to the leg as it rebounds.
人们走路每迈出一步,重量落下时所输出的一部分能量,事实上被脚弓存储起来,然后被脚弓弹起,这部分能量就又返回到腿部。
But, just like I didn't lose this much weight and body mass in a week or a month, my doctors expect it will take until late this spring to regain it.
不过,我不是在一周或者一个月之内瘦了这么多的,相应地,我的医生预计我要到今年春季后期才能恢复过来。
We have experienced two distinct phases: first using heavy weight technologies like EJBs, then we turned to lighter weight technologies such as Spring and Mule.
我们经历了两个不同阶段:首先使用重型技术如EJB,然后转向更轻型的技术如Spring和Mule。
You are pushing down with the weight mg, and the floor has got to be pushing up with the mg, because the spring is not going anywhere.
你向下的作用力是重力 mg,然后地面向上的支持力也是 mg,因为弹簧现在根本没动
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