PA has the good anti-homoiothermy, anti-weary and changes the strength, the anticreep, and the good wearability, bears the chemical agent.

PA具有良好的抗恒温、抗疲劳和应力、抗蠕变、及较佳的、化。

The Parental Care Model hypothesizes that endothermy is arisen as a consequence of selection for parental care because endothermy enables a parent to control incubation temperature.

双亲行为模型是指在鸟兽类中，内温是对双亲行为选择的结果，因为内温为双亲控制抚育温度提供了保证。