阶段4 meaning in English

phases 4: new moon

In stage 4 the capacity to grow differentiated barbules evolved
阶段4演化出羽小枝的分化能力。
Only after stage 4 could additional feather variations evolve , including the many specializations we see at stage 5 , such as the asymmetrical vane of a flight feather
一旦演化到阶段4之后，其他各种不同的羽毛才能够演化出来，包括我们在阶段5看到的各种特化羽毛，例如飞羽的不对称羽片。
The past more than 20 years , chinese enterprise go through brand stage of teaching beginners , create brand stage , brand competition stage and internationalized stage 4 stages such as brand
过去的20多年，中国企业经历了品牌启蒙阶段、自创品牌阶段、品牌竞争阶段和品牌国际化阶段4个阶段。