Regulation of self- thinning is that relationship between DBH and average density of population accords with negative power function.
樟子松种群自疏规律为：平均胸径与密度的关系符合负幂函数模型。
2
Base emitter metal self aligning, air bridge, and wafer thinning are used to improve microwave power performance.
在晶体管制作过程中采用了发射极-基极金属自对准、空气桥以及减薄等工艺改善其功率特性。
3
The differences between the two reciprocal equations of the competition-density effect in nonself-thinning populations and self-thinning populations were analyzed theoretically.