受天择压力，他们朝向耗能较少的移动模式演化，因而脊椎柱更长，更灵活。
Selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.
说明有机质的成熟度与温度和加热时间成正相关，而压力增加抑制了有机质的成熟演化。
It indicate that the organic maturation is of positive correlation with temperature and heating time, but pressure raise restrains maturation and evolution of organic matter.
道德起源和演化具有一定范式和路径，面临一种被选择的竞争压力并受人的理性和认知水平的制约和影响。
The origin and evolution of morality has a model and path. It is restricted, affected and selected by a kind of competition pressure and human being's cognition and rationality.
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