尽管需要花力气去弯曲关节或拉伸肌肉，但人体可以利用弹簧般的肌腱和分布优雅的肌肉来回收相当部分的能量。
Although effort is required to bend a joint or flex a muscle, the body is able to recycle much of the energy expended through spring-like tendons and elegantly arranged muscles.
这些所谓的“通量绳’积蓄能量的方式与皮筋带被拉伸来积蓄能量的原理是一样的。
These so-called "flux ropes" build up energy in much the same way that an elastic band builds up energy as it's stretched.
这些工作主要讨论了金属泡沫材料的拉伸、压缩、能量吸收、动态冲击、失效准则、本构关系、蠕变、疲劳和断裂等力学性能。
They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failure criterion and constitutive relation, creep, fatigue and fracture of these materials.
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