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

PA具有良好的抗恒温性、抗应力、抗蠕变性、及较佳的磨损性、化学剂性。

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，内温性是对双亲行为选择的结果，因为内温性为双亲控制抚育温度提供了保证。