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Douglas fir oil 松叶油
Bolman has studied regional variation in Douglas fir seed yields. 鲍尔曼曾研究过道格拉斯冷杉种子产量地区间的差异。
Any of several similar or related trees, such as the Douglas fir. 枞木类似或相关树木中的任意一种，例如黄杉
Douglas fir of coniferous tree and Beech of broadleaf tree is selected as the experiment materials. 选择针叶材花旗松和阔叶材山毛榉作为实验材料；
The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar. 最常用的木料是道格拉斯冷杉，铁杉，云杉，松木以及其他一些杉木。
Not just any tree, but Douglas fir, the emperor of the forest, a species that grows 200 feet tall and blankets much of the Pacific Northwest. 当然不是随随便便任何树的胚胎，而是森林之王花旗松的胚胎，一种可以长到200英尺高，覆盖太平洋西北边大部分地区的物种。
The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar . 最常用的木料是道格拉斯冷杉，铁杉，云杉，松木以及其他一些杉木。
In addition, there are forestry guides about the Taiwan cryptomeria, the Taiwan Douglas fir, and the Formosa pine. 还有台湾杉、黄杉、二叶松等植物的导览解说。
The Fremont climber had leaned a 25-foot-tall Douglas fir trunk against the cliff to shinny up. 弗里蒙特的登山者靠在一个25英尺高的道格拉斯冷杉树干上背对着悬崖峭壁往上爬。
The wood species included yellow cedar, red cedar, western hemlock, douglas fir, white oak, maple and Fokien cypress. 试材包括美桧、侧柏、铁杉、花旗松、美洲白橡（栎木）、枫木及越南桧木等七种使用量日增之进口材。
We examined winter temperature gradients across old growth Douglas fir forest edges and compared these to corresponding summer gradients. 自 1 991年 1 0至 1 992年 5月 ,对林缘至原始花旗松林林内的温度 ,进行了连续的实地测量 ,并与相应的夏季温度变化加以比较。
Douglas fir showed that its four biomass indexes were significantly effected by heat stress treatment but not by water stress treatments. 水分胁迫处理对杉苗的生物量指标影响不大,但热胁迫对杉苗生物量所有三个指标均有显著影响。
Douglas fir (Pseudotsuga menziesii) is Canada's largest tree and comprises two distinct species: Coast Douglas fir and Interior Douglas fir. 花旗松（黄杉）是加拿大最大的树，包含两大树种：海岸花旗松和内陆花旗松。
She looked around and padded off across a ravine, toward the edge of the blue spruce and Douglas fir forest that would be her new home. 她环顾了四周一下，便健步越过沟壑，跑向她的新家-一片由蓝色云杉和道格拉斯冷杉组成的丛林。
Most of the wood is recycled Douglas fir that came from an 80-year-old warehouse or lumber mill that was being torn down nearby. 大部分的木材被回收道格拉斯枞树,来自一个八十岁的仓库或木材,被拆掉了。
Not just any tree,but Douglas fir,the emperor of the forest,a species that grows 200 feet tall and blankets much of the Pacific Northwest. 当然不是随随便便任何树的胚胎，而是森林之王花旗松的胚胎，一种可以长到200英尺高，覆盖太平洋西北边大部分地区的物种。
Fog crowns towering conifers, such as Douglas fir and yellow cedar, in the Pacific temperate rain forests of Vancouver, British Columbia. 意译：温带雨林图片画廊。居雾之顶高耸的松柏类，例如花旗松和黄桧，位于太平洋温带雨林的温哥华，英属哥伦比亚。
Studies on vapor-phase borate preservative treatment of Masson pine ( Pinus massoniana ) and Douglas fir[ Pseudotsuga menziesii (Mirbel) Franco]wood samples had been carried out. 对马尾松及花旗松木材试样进行了气相硼法木材防腐处理的研究。
Scientists breed fir pollen inside test tube, make they and Douglas fir contain the constituent contact of young embryo next, it is normal to was generated after a week young.. 科学家们在试管内培育出枞树花粉，然后使它们与道格拉斯枞树含有幼胚的组织接触，一个星期以后就生成了正常的幼...
CeilFor has developed techniques that mass-replicate exact genetic copies of some of the finest Douglas fir specimens ever found in the wild, trees coveted by limber companies for their straight, strong, knot-free wood. 赛尔福公司已经开发出新技术用以大规模地复制在荒野中发现的某些最优良的花旗松标本的精确的遗传副本。