A bit of background: One early theory, the rate of living theory, held that every organism has a set amount of energy to expend.
一点背景：一个早期的理论-生存成本理论-认为每个有机体有一定数量的能量供消耗。
2
Organism unsmooth theory in geometrical morphology is introduced first, and laser texturing techniques applied in increasing roll surface wearability is also described.
介绍了生物几何非光滑理论及激光毛化技术在提高轧辊耐磨性方面的应用情况；
3
Modern medicine supports that the hypothalamus has influence on basic organism motives, which leads to the theory that natural demand in sleep is the source of dream.