timber form
3.The variable parameter taper equation, which was suitable to Pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one-dimensional volume table, two-dimensional volume table, one-dimensional timber-produced rate table for timber assortment, and two-dimensional timber-produced rate table for timber assortment were complied based on the above.
4.To meet domestic need for timber, energetic efforts should be made to plan the development of commercial forests while readjusting and planning the construction of ecological forestry based on classified management, so as to form the backbone and framework for commercial forestry. Construction of commercial forests should focus on the following five projects
5.In addition to the existing three types of interim housing: old-type low-rise timber structures (to be cleared by 2000), multi-storey vertical interim housing (converted from redeveloped blocks in some older estates) and prefabricated interim housing blocks, a new form of vertical interim housing is being built in Tuen Mun and Tin Shui Wai.
