演替速度
演替速度
采用独特的中频发电设计,负载持续率为100%,保证24小时连续作业。
In 2001, the growth of farmers' per-capita net income recovered, reversing the downward tend of growth for four years in succession. The growth rate surpassed 4 percent.2001年,农民人均纯收入实现恢复性增长,扭转增幅连续4年下滑的局面,增幅达到4%以上。
Through observing the healing rate and changing of trunk appearance after large-area skinning in succession in the fields, some technical measures to help to develop new bark were sought.为研究对象,对其主干进行大面积环剥,田间连续观察剥面愈合率和树干外观变化,寻求有利于新皮发生的技术措施。