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与 冷杉的 相关的网络例句 [注:此内容来源于网络,仅供参考]

"Canada balsam:a viscous, yellowish, transparent resin obtained from the balsam fir and used as a cement for glass lenses and for mounting specimens on microscopic slides."

加拿大香脂:从香脂冷杉中获取的一种有粘性的、淡黄色的透明树脂,用作玻璃透镜的胶合剂或将标本粘贴在显微薄片上。

"Canada balsam:a viscous, yellowish, transparent resin obtained from the balsam fir and used as a cement for glass lenses and for mounting specimen s on microscopic slides."

加拿大香脂:从香脂冷杉中获取的一种有粘性的、淡黄色的透明树脂,用作玻璃透镜的胶合剂或将标本粘贴在显微薄片上。

Before it a tiny expanse of green sloped gently away to a point where the mountain dropped in another sharp descent, wooded with scrubby firs and pines.

在此之前的绿色倾斜轻轻离开广袤的一点微小的地方,海拔再次出现大幅下降下降,与矮小的冷杉和松树森林。

Betula, Quercus, Corylus, Alnus, Tsuga and a little amount of Pinus were ia little aggregation in the mountain slope near the marshland This is suggested to be caused by modern people's activity.

菊科。禾本科和莎草科等;在沼泽周围的山坡上,长有桦、栎,榛、桤木、铁杉等和极少量的松,冷杉仅以片状小群聚散居于附近的山坡上,这是近代人为活动干扰的结果。

Berberis wilsonae and Caragana erinacea are the species representative of retrogressive succession of the community, and the association between one of them and other species is the most insignificant among all pairs.

在岷江上游林线附近的林草交错区,该群落常常占据阳坡或半阳坡形成疏林,并和位于阴坡的云冷杉林一起形成两大具有特色的森林群落类型。

Through analyzing management regulation results, it put forward the optimal species composition of spruce-fir mixed stands, and then research problem about the optimal stand structure and the maximum stand volume increment. At the same time, compared to dahurian Lanch pure plantation on economical value and ecological value.

通过对经营结果的分析,提出云冷杉针阔混交林的最优树种组成——针阔混交比为7:3,还对针阔混交林的最优林分蓄积和最大蓄积生长量等问题进行了研究,并从经济效益和生态效益2方面与人工落叶松林进行了对比。

Major tree species in the southwest include the dragon spruce, fir and Yunnan pine, as well as teak, red sandalwood, camphor, nanmu and padauk. Often called a "kingdom of plants," Xishuangbanna in the south of Yunnan Province is a rare tropical broadleaf forest area in China, playing host to more than 5,000 plant species.

其次为西南天然林区,该区主要树种有云杉、冷杉、云南松,还有珍贵的柚木、紫檀、樟、楠、红木等;云南省南部的西双版纳是中国少有的热带阔叶林区,森林植物多达5000余种,有&植物王国&之称。

This research not only provided management technology and method for the mixed uneven-aged stands of coniferous and broad-leaved trees in Changbai mountains, also it have important referring value on the mixed uneven-aged stands management in other area.

本研究不仅为长白山地区云冷杉针阔混交林的经营利用提供了方法技术,而且对其他林区的针阔混交林经营也有着重要的参考价值和借鉴意义。

Based on stands-level forest ecosystem, referring intensive management method of natural mixed uneven-aged stands—control method, the mixed stands of coniferous and broad-leaved trees, in which spruce and fir are dominant species, were studied in this thesis;and explored sustainable management model on forest ecosystem level about economy, ecological environment and society.

本文以林分级别森林生态系统为基础,借鉴了天然异龄林集约经营方法—检查法,对长白山过伐林区以云冷杉为主的针阔混交林的森林可持续经营进行了研究,并从经济、生态环境和社会3个方面探索了森林生态系统尺度上的可持续经营模式。

It is precisely because of this mutually beneficial relationship, tapping the growth of Douglas fir following Qiang Teller would cause serious harm to this tree ...

正是因为这种互惠的关系,采割道格拉斯冷杉下面生长的羌特勒会给这种树木造成严重的伤害。。。。

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