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spruce相关的网络例句

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Major tree species in the southwest include the dragon spruce, fir and Yunnan pine, as well as teak, red sandalwood, camphor, nanmu and padauk.

主要树种西南包括舞龙云杉,冷杉和云南松,以及柚木,紫檀,香樟,楠木和红木。

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。

They will be available with red or German spruce tops,with a choice of figured mahogany back and sides, with either an ebony or rose wood fingerboaed.players can choose between two different styles of rosette and either bird or Celtic knot fret markers.

他们提供了红色云杉或者德国云杉的面板,桃花芯木的指板背侧和包边,乌木或者玫瑰木的指板。

The wood of a gum tree .Having a single, undivided trunk with lateral branches, as in spruce trees.

贯顶的,塔状的主轴延伸成不分枝的茎或杆的,如云杉

Maugin selects rosewood for guitar making not on account of its acoustical properties but for its price and looks: Maple, spruce and ebony are, as it is the case with violin making, the main woods employed in the construction of guitars.

Maugin 选择红木为吉他做不是由于它的音响物产但为它的价格和看: Maple 、云杉和乌木是,照原样实际情形与小提琴做,主要树林被使用在吉他的建筑。

The research results showed: spruce-fir mixed uneven-aged ecosystem managed in intensive method, its productive power and dominance were developed, the economic needs were met, environment and social effect were assured, so sustainable management of stands-level forest ecosystem were realized.

结果表明,经过集约经营的云冷杉针阔混交林,其生态系统生产力和优势得以最充分的发挥,既满足经济产出的要求,又保证了生态环境和社会效益,从而实现了林分级别上森林生态系统的可持续经营。

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。

Infrared spectra demonstrated that the hemicelluloses in steam-treated chips were less than that in untreated chips. This is one of the main reasons why steam treatment could improve particleboard stability. We found that the reduction of the hemicelluloses in Birch chip was more than that in Spruce chip under the same condition of steam treatment.

用红外光谱对蒸汽处理后刨花中成分的变化进行了分析,发现处理后的刨花中的半纤维素含量减少了,羟基减少了,这就是蒸汽处理能提高刨花板的尺寸稳定性的主要原因之一。

A study was made of the foresttype diversity and stability of spruce and fir on Taohe Forest Range by utilizing the periodic variation data of selection cutting and forest management inventory data obtained over there.

利用洮河林区云、冷杉林择伐周期研究和森林资源二类清查样地资料,对该林区云、冷杉林分类型多样性和林分的稳定性进行了研究。

Seeing elders with trunks seven feet wide, or walking through stands of the tallest trees here—gigantic Norway spruce, shaggy as Methuselah—should seem as exotic as the Amazon or Antarctica to someone raised among the comparatively puny, second-growth woodlands found throughout the Northern Hemisphere.

看着老树七英尺宽的树干,走在最高的林木之间——巨人般的挪威云杉,它们像玛士撒拉1一样饱经岁月的风霜——对于那些在北半球随处可见、较为低矮的次生林地中长大的人而言,这里本该如同亚马逊流域或南极洲一样让人惊艳。

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