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This research was conducted in degraded rangeland at the southwestern edge of the Mu Us sandland, Yanchi county, Ningxia, the soil seedbank features and its relation to vegetation was analyzed using similarity analysis and ordination method, the results show that seeds within soil distribute mainly in 0~5 cm soil layer, less seeds in 6~15 cm soil layer in exclosed and non-exclosed rangeland, for seeds in exclosed soil, species richness and diversity index H are higher, while D is lower, exclosure measure, generally speaking, can increase plant species and amount of vegetation and seeds in soil, some annual plants, mesophytes and halophytes appears in the soil or surface.

以毛乌素沙地西南缘宁夏盐池县的退化草场为研究对象,采用相似性分析和排序方法对封育和未封育草场土壤种子库的特征及其与地上植被间关系进行了研究,结果表明无论封育区还是未封育区,土壤种子库中的种子主要分布于0~5cm的土层,6~15cm土层的种子数很少;封育区土壤种子库的物种丰富度大于未封育区,物种多样性则表现为H 值较大,而D值较小,总体上看封育措施可以提高地上植被和土壤中种子的种类和数量,一些一年生植物、中生植物和盐生植物开始出现在地面或土壤种子库中。

Fisher's knees buckled; he sat down hard; Anderson tripped over Fisher's leg and fell on top of him, as flump bang crunch they heard the men on brooms slam into the upended car and fall, apparently insensible, to the ground, while broken bits of broomstick clattered down around them.

费希尔的膝盖弯曲了;他重重地坐下来;安德森被费希尔的腿绊倒摔在费希尔上,"砰——嘭——嘎吱"他们听到扫帚上的人猛地撞到颠倒的汽车上,摔了下来,很显然没有了知觉摔到地上,摔碎的扫帚在他们周围哗啦哗啦地落到地上。

Hangzhou land running, especially the old city's limited land running to ensure that the prices of relatively strong (even in 2003, an increase in land delivery, the transfer of residential land area is only 3500 acres); the Government of a land market Monopoly and the stability of the upset sale price to determine the security for the reserve price.

杭州的土地上,尤其是老城区的有限的土地上,以确保价格的相对强劲的(即使在2003年,增加土地供应,转让的住宅土地面积只有3500英亩);政府的土地市场的垄断地位和稳定的底价销售价格,以确定安全底价。

Research on individual bamboo biomass and timber physical structure indicated that the allocation of Guadua amplexifolia biomass to branch is higher than moso-bamboo evidently. Root shoot ratio is larger than other sympodial bamboo, so it can be considered as a good breakwind plant because of developed root and branch. Every modularity biomass above ground had significant positive correlation with basal diameter and total height, it can simulated with allometric model. The culm had large relative wall thickness and low moisture content, so it can be cultivated as fine timber-used bamboo.

通过对Guadua amplexifolia现存单株生物量结构和竹材物理结构研究,结果表明:地上部分生物量在枝条上的分配比例高于相同径级毛竹,根冠比较其他丛生竹种大,具有发达的地下根系且易形成密集林分,是良好的防风植物材料;地上部分各器官生物量与地径、全高均呈显著的正相关,可以用相对生长模型进行模拟;竹秆有较大的相对壁厚和较低的含水率,可以作为良好的材用竹种进行培育。

There was an interaction between maize and intercrops in Cd uptake. Legumes absorbed smaller amount of Cd but significantly increased the Cd uptake by maize, while amaranth was in adverse. Rape had a higher level of Cd concentration in its shoot, but reduced the Cd in aboveground part of maize.

间作植物与玉米对Cd的吸收具有不同的交互作用特征,豆科作物在自身较少吸收Cd的条件下,显著提高了玉米对Cd的积累;籽粒苋在自身大量累积Cd的同时,一定程度上抑制了与其间作的玉米的Cd累积量;油菜地上部分吸收较多的Cd,但降低了玉米地上部分Cd含量。

Yielded fruit equally on hill and plain, on rock, in gravel, and alluvial mud, under the bright sky of the South and under the clouds of the North, in fell and forest, in the vineyards and the olive-grounds and among the cropped grass and the stubble of the corn, along the fruitful banks of the broad rivers, and in the sand of the sea-shore.

三十万人的大军为抗击全世界的暴君响应号召从法兰西各地猛然崛起,仿佛田野上遍撒了龙齿,结满了果实:从山上也从平原上;从岩石上,也从碎石上和冲积土壤上;在南方明朗的天空之下,也在北方积云的天空之下;从丘陵里,也从森林里;从葡萄园,也从橄榄地;在剪过的草地上,也在气过的庄稼地上;沿着广阔的河流的结着果实的河岸,也沿着海岸的沙滩,到处都结出了龙齿的果实。

In this low ground about Borodino in the mist, and above it, and especially along the whole line to the left, in the copses, in the meadows below, and on the tops of the heights, clouds of smoke were incessantly springing out of nothing, now singly, now several at once, then at longer intervals, then in rapid succession. These clouds of smoke, puffing, rolling, melting into one another, and sundering apart, trailed all across the wide plain.

在雾气腾腾的波罗底诺附近的洼地上,以及在它以外的高地上,特别是在战线的左方,在树林、田野、洼地、高地的顶端,仿佛无中生有似的不断地腾起大炮的团团浓烟,有时单个出现,有时成群出现;时而稀疏,时而稠密,这一带到处可以看见烟团膨胀开来,茂盛起来,汹涌滚动,混成一片。

But to omit other things after long beating at sea they fell with that land which is called Cape Cod; the which being made and certainly known to be it, they were not a little joyful.

就这样他们到达了一个环境良好的港湾,安全地到了陆地上,他们双膝跪下感谢上帝令他们安然度过那广阔狂暴的大海,将他们从海上所有的危险和悲惨中解救出来,再次站在这坚实稳定的土地上,这才是他们真正的归属。

4The low similarities betweenseed banks and the established vegetation were considered to be the consequences ofthe frequent presence in the established vegetation but not in seed banks of someperennial rhizomatous plants which mainly depended on vegetative propagation toregenerate;insignificant difference in the species composition of seed barks amongtransects, might be accounted for by the fact that the flood drift had functioned as adisseminator for propagules;and with the intensifying of the flooding disturbance,both species diversity and the similarity between seed banks and establishedvegetations declined.

4种子库与地上植被相似性普遍较低,其原因是主要靠营养繁殖以更新种群的多年生根茎植物经常在植被中出现而不在种子库中出现;受水淹干扰的样带之间种子库的种类组成差异不大,说明洪水漂移行使了繁殖体传播和散布的功能;随水淹干扰强度增加,种子库物种多样性指数减小,种子库与地上植被的物种组成相似性下降。

His "Taliesin" on the building in the ancestral land, his time in the 80-year-old is also excited about this and said:"Taliesin, the first of three generations of my back to the land, piece of land in the development and the creation of good things,"the land of the forefathers and溢于言表nostalgic.

他的&塔里埃森&就造在祖传的土地上,他在八十岁的时候谈到这一点还兴奋地说:&在塔里埃森,我这第三代人又回到了土地上,在那块土地上发展和创造美好的事物&,对祖辈和土地的眷恋溢于言表。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。