查询词典 timber floating

Economic benefits for developing valuable hardwood species were also calculated taking Castanopsis hystrix as example. And the priority in the fields of research on large-size timber plantation forestry of valuable hardwood species has been pointed out.

本文以红椎为例，对经营珍优乡土阔叶树种的经济效益进行了概算，并提出了珍优阔叶树种大径材培育的未来优先研究方向。

And 706—5145 yuan·hm〓 while those by interplanting Pinus massoniana with D. margaritae were found to vary from 3. 07%—12. 74% and from 514—2407 yuan·hm〓 respectively. This economic contribution of rattan planting to the whole forestland was negatively correlated with the yield and price of timber from upper trees.

将棕榈藤和上层林分相结合，对整个林地经济收益概况作出评价的研究方法在一定程度上克服了以往分析经济效益时仅以棕榈藤为研究对象的缺陷，是对藤林经济效益研究的有益补充和完善。

Typically with square stems and whorls of leaves. The family includes a few light timber trees, coffee, and Cincbona, whose bark is a source of quinine. There are some cultivated ornamentals, such as Gardenia jasminoides and Ixora.

这一科的植物包括一些较轻的成材乔木，如咖啡和金鸡纳属植物，一些为人工种植的观赏树种，如栀子和龙船花属植物。

In particular the Changbai Mountains area, which is called "Changbai Forest Sea" produces not only valuable timber such as Korean pine and kahikatea, but also "three Treasures in Northeast China" famous around the country -- ginseng, marten and pilose antler.

朝鲜族聚居的地区山川秀丽，物产丰富，特别是被称为&长白林海&的长白山地区，不但出产红松、白松等珍贵木材，还有闻名全国的&东北三宝&：人蔘、貂皮和鹿茸。

Phoebe bournei belonging to Lauraceae family.is High-quality broad leaf trees, in recently,because of the timber being very scarce.

闽楠属樟科阔叶树种，是优质乡土阔叶树种，近年来由于木材奇缺，闽楠大径材的价格一路飙升。

The timber from the Leadwood trees which is so heavy that can not float was confiscated by government officials, a local journalist told the BBC it appeared the wood was to be exported to China.

这些Leadwood的木材太重，不能在水上漂流，现在被政府官员没收。一名当地记者告诉BBC，这些树木似乎要运往中国。

The timber from the Leadwood trees which is so heavy that can not float was confiscated by government officials, a local journalist told the BBC it appeared the wood was to be exported to China.

这些 Leadwood 的木材太重，不能在水上漂流，现在被政府官员没收。

The invention relates to a method for stocking and preserving green round wood and sawn timber, which is stored in an airtight and lighttight sealing cover. The oxygen inside the cover is decomposed by the respiratory process of mushrooms, bacteria and wood cells that are still alive, thereby forming CO2 and H2O.

本发明涉及用来保存绿圆木或锯成木材的方法，其中将绿圆木或锯成木材储存在不透气和不透光的包覆层下面，所述包覆层以内的氧气被真菌和细菌的呼吸和发酵过程以及仍然存活的木细胞的呼吸过程所消化，因此产生CO2、H2O。

Tree stem refers to felled timber that has only been limbed and cut the top log of which diatmeter is less than 6 cm .

将伐倒木只经过打枝、截去直径不足6cm 的梢头，所剩下的树干。

Die Casting materials can be selected timber, Machinable plastic, aluminum, iron, steel and so on.

铸造模具用材料可分别选用木材、可加工塑料、铝合金、铸铁、钢材等。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。