The ponderosa pines of the Kaibab National Forest lined the road like quiet sentinels.
卡斑伯国家森林公园的松树像哨兵一样排在路边。
A notable Ponderosa pine forest once thrived on the site's sandy soils and shallow groundwater.
基地中的砂质土壤和浅层地下水曾经孕育了一片繁茂的北美黄松林。
Above, I could see only a strip of starry sky, so close were the walls of the canyon and so dense the growth of ponderosa pine.
抬头只能看见一长条繁星密布的天空。峡谷的峭壁看起来离我那么近,黄松林长得那么茂密。
The result of investigation indicated that Pinus ponderosa has been introduced successfully with a promising features alien conifer. Its introduction could be extended in large.
调查结果表明,美国黄松已在黄土高原引种成功,是一种很有前途的国外针叶树,可以扩大引种,繁殖推广。
Compared to P. tabulaeformis, the height and diameter growth and volume of P. ponderosa have good relativity, and correlation value was more than 0.9, but P. tabulaeformis was only(0.583).
在树高、胸径和材积3个生长指标上,美国黄松具有很好的相关性,相关系数均在0.9以上;而油松的树高与胸径相关系数仅为0.583。
Arizona is more likely to be associated with cactus than pinecones, but Flagstaff, in the northern part of the state, has the largest Ponderosa pine forest in the continental United States.
亚利桑那一般会跟仙人掌而不是松果联系在一起。但是,北部的弗拉格斯塔夫却拥有美国大陆最大的黄松林。
Arizona a is more likely to be associated with cactus than pinecones, but Flagstaff, in the northern part of the state, has the largest Ponderosa pine forest in the continental United States.
亚利桑那一般会跟仙人掌而不是松果联系在一起。但是,北部的弗拉格斯塔夫却拥有美国大陆最大的黄松林。
Our results showed that it is necessary to focus on checking and quarantining wood or woody package from North America, especially douglas firs, ponderosa pines, slash pines and loblolly pines.
分析结果也表明:口岸检疫要重点对来自北美的木材、货物木质包装进行核查和检疫,其中花旗松、西黄松、湿地松、火炬松等更需要重点检疫。
On the basis of recounting details of Pinus ponderosa in the world and domestic, its prominent characteristics of growth in Yanan arboretum on the loess plateau has been emphasized on the paper.
在阐述了世界和我国引种栽培美国黄松的基础上,着重阐述了黄土高原延安树木园引种栽培生长的突出表现。
On the basis of recounting details of Pinus ponderosa in the world and domestic, its prominent characteristics of growth in Yanan arboretum on the loess plateau has been emphasized on the paper.
在阐述了世界和我国引种栽培美国黄松的基础上,着重阐述了黄土高原延安树木园引种栽培生长的突出表现。
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