查询词典 blackjack pine

This study is focused on the vertical distribution, production and turnover of the fine roots in a broad-leaved and Korean pine climax forest of the Changbai Mountain Reserve.

采用连续土钻分层取样法，对长白山自然保护区中原始阔叶红松林细根的垂直分布、生长和周转进行了研究。

During the years of 2 041 ～ 2 049 ,the Korean pine broad-leaved forest would become the climax forest community in this area,with an area around 13 120 ～ 13 242 hm2 if taking selective cutting as the prevailing harvesting method.

这种地带性顶极群落在未来的森林经营利用中能否存在，许多学者进行了专门的研究。徐化成等[24]对红松阔叶林的特点、分布规律、动态、经营措施等进行了详细的研究，为红松阔叶林的经营利

The conservation objects of Haitangshan Nature Reserve are forest types Such as climax community of mixed forest of chinese pine and oak,wild animal and distinctive scenery on north slope of Yiwulu Mt.

海棠山自然保护区为森林类型，主要保护油松栎类混交林的顶极群落、野生动物和医巫闾山北侧的独特景观。

In the broad-leaved Korean pine climax forest, the fine root climax production of the community occurs in July and October, but the dominant arboreal species, understory arboreal species and fine roots of grass have a different production dynamics. It is important to sort the fine root species because accurate fine root production sources have a different fine root dynamics.

在原始阔叶红松林中，群落细根的生长高峰发生在7月和10月，但其中主要树种、其他木本和草本的细根有着不同的生长动态，所以在计算细根生产量时应该分类计算，才会得出较为准确的结果。

In growing season we studied the mineral nutrition dynamics ofthe broadleaved korean pine forest in the climax and secondary birchforest in succession stage,with chemical and biochemical analysismechods.

本文以化学和生物化学分析方法做为分子生态学化学生态研究的基本方法，在生长季中，对长白山北坡原始阔叶红松林及其次生杨桦林进行了矿质营养的动态研究。

The comparison of fine root biomass and belowground C and N storage among the Korean pine and broad-leaved climax forest, three dark-conifer forests, a betula ermanii forest along the altitudinal gradient

因此，细根由于其生长迅速、周转率较快，而且可以在较深的土壤中分布，成为生态系统中土壤碳、氮的重要来源。

From the high altitude to the low altitude, the forest type is the betula ermanii forest, the moss-betula ermanii dark-conifer forest, the dark-conifer forest, the moss-pinus koraiensis dark-conifer forest, and the Korean pine and broad-leaved climax forest.

长白山北坡主要原始森林生态系统由高海拔到低海拔分别为：岳桦林、苔藓岳桦暗针叶林、山地中部暗针叶林、苔藓红松暗针叶林、原始阔叶红松林。

We had come to a pine tree towering 20 feet above us in the center of the yard.

此时我们已来到院子当中一棵20英尺高的松树前。

The compass card measures61/2 inches in diameter and is housed in its original brass bowl with glazed cover slung in gimbals within its original simple pine box measuring101/4 inches square and7 inches high.

指南针盘的直径有6.5英寸而且被封装在它特有的碗中，由有光滑表面的万向接头勾住，装在它特有的10.25英寸见方7英寸高的松木盒子里。

Lapsang Souchong Tea, the eldest sister, although she is oozed with thick pine smoke, which doesn't mean that she loses her conservativeness and she just likes farmer girls washing gauze along the Nine-bend Steam(Wuyi Mount., in the north of Fujian Province).Those who drink this tea will feel as if they are in the cloudy and misty Wuyi Mount. Fairyland and experience the original nature environment and unsophisticated local customs. Keemen Black Tea, the second eldest sister, with inborn great beauty, is delicate, dainty and charming. She is perfectly permeated with thick fragrance of rose. If you taste it attentively, you will feel as if you are infatuating with it and can't help understanding her feelings. Eventually, you will fall in sweet dream unconsciously instead of trying to recover from it. Tanyang Congou Black Tea, the third eldest sister, simply in terms of name, we can have a restricted view on her charm. She is subtle and thoughtful, slender but heroic in bearing who needs careful treating and tender loved care. Yunnan Black Tea, the fourth eldest sister, plentiful rain endows her with curvy figure and just like delicate mountain girl of Dai nationality.

大小姐正山小种虽散发着浓郁的松烟香，但却不失其朴实，就像在九曲溪边浣纱的农家女，让品茗的人如身临武夷云蒸雾笼的仙凡界，感受着原生态的自然佳境与淳朴民风；二小姐祁红，天生丽质，娇艳欲滴，浑身上下透着馥郁的玫瑰香气，细细品味她，就仿佛像是在和她在热恋，让人情不自禁要去读懂她的心思，在不知不觉中坠入了甜蜜温柔乡，无法自拔；三小姐坦洋工夫，单从名字看，就可管窥一斑，心思细腻缜密，纤细之余又不失飒爽英姿，需要悉心对待，体贴入微；四小姐滇红，充沛的甘霖赋予了她婀娜的身姿，好似傣族山妹子一般，娇滴滴的，冲泡过程中，仿佛能欣赏到她那翩翩舞步和柔美腰肢。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。