The timbers of our country man made forest have poor quality and some defects, which indicate their low strength and unstable size.
我国目前人工林本材材质差、缺陷多,主要表现在强度低、尺寸稳定性差。
Saihanba in Hebei Province was once a desert, but now it has become the biggest man-made forest in China.
河北省的塞罕坝曾经是一片沙漠,但现在它已经成为中国最大的人工林。
Our man-made forest growing stock per hectare poses/ records only 49 cubic meters that equals only over 3 cubic meters per Mu.
我国人工林森林蓄积量每公顷只有49立方米,也就是一亩地只有3点几个立方米。
But oil spills of the sort that now threaten the Timor Sea, forest fires like those that recently afflicted Greece, and other man-made and man-assisted threats to wildlife are transient.
但是如今威胁着帝汶海的石油泄漏、最近侵袭希腊的山火以及其它这类人为或者人力助长的对自然的威胁却都是转瞬即逝。
The land of mulberry fields, tea plantations, orchards, nurseries of young plants, forest land, reed land, natural and man-made grassland and other lan are not included in cultivated land.
但不包括属于专业性桑园、茶园、果园、果木苗圃、林地、芦苇地、天然或人工草地面积。
This was all done in the name of civilization , which meant the places where man had made his home, where the earth was cultivated, where the forest had been cut down.
这一切都是打着―文明‖的旗号进行的,所谓―文明‖,就是人类在哪里建立家园,耕耘土地,哪里的森林就被砍伐。
Factor in the sharp drop in forest resources around the world, due to natural or man-made factors causing forest area is significantly reduced.
森林资源锐减因素在世界范围内,由于受自然或人为的因素而造成森林面积正在大幅度地锐减。
Result shows, This competition index is suitable to Chinese fir man-made forest, and individual tree growth model accords with the demands of accuracy, it can be used to estimate growth of stands.
结果表明:该竞争指标对杉木人工林适用,所建立的单木生长模型符合精度要求,可用于预估林分生长。
The intention for the concept is to create the friendly Forest in order to reduce the harshness of man-made structural form, thus, integrating the building and surrounding nature as one.
设计概念的意图是创造一片和谐的森林,以减少人造建筑结构的唐突,使建筑与周围环境融为一体。
The intention for the concept is to create the friendly Forest in order to reduce the harshness of man-made structural form, thus, integrating the building and surrounding nature as one.
设计概念的意图是创造一片和谐的森林,以减少人造建筑结构的唐突,使建筑与周围环境融为一体。
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