下水平

From the point of view of geobotany, with the method of correlative factors of growth of plants, a countrywide theoretic ecological division was done for the introduction of Camptotheca acuminata and three kinds of areas of ecological preferent zone, ecological adaptive zone and ecological unadaptable zone were divided. With the theory of synecology, the characteristic on environment, constitution, life form spectrum, diversity, similarity of plots of communities were researched. Applying the method of species association, discrete distribution, indensity index, fractal geometry, etc. to research relations between the species of the communities, space distribution of Camptotheca acuminata, structure of age of Camptotheca acuminata, in different communities. Using the theories of autoecology, distibutons of seeds on land and growth of seedlings in vertical and horizontal directions, biomass of organ of Camptotheca acuminata were analyzed. On the opinions of conservation biology, the external and internal factors impressing Camptotheca acuminata were analyzed to research the mechanism of the endangered species, and with using of CTM Model, the future development direction of Camptotheca acuminata in different communities were forecasted, and. Standing on the position of resources ecology, discussing the regularity of camptothein in Camptotheca acuminata of different sites and seeding of different resources, also the the derive technics of camptothecin.

本文从地植物学的角度，运用植物生长相关因子法，对我国喜树资源的生态适宜区进行了划分，理论上确定了我国的喜树的引种栽培的最适生活区域、生态适宜区域和不适宜生活区域；从群落生态学的角度，对野生喜树所在的典型群落的群落环境、群落组成、群落生活型谱、群落的物种多样性特点、群落样地间相似性进行了研究；从种群生态学的角度，运用种间联结性、离散分布模型、聚集强度指数、分析几何等分析手段，对野生喜树所在典型群落间的种间关系、喜树的空间分布格局、年龄结构等进行了分析；从个体生态学的角度，对不同年龄组的喜树的种子的散落的垂直分布、水平分布、时间分布及种子发芽率和千里重等特点、不同种源的人工喜树苗期特点、喜树的高生长和茎生长特点、喜树的器官生物量特点进行了研究；从保护生物学的角度，对野生喜树的濒危的内部因素和外部因素进行了探讨，并运用CTM模型对不同群落中野生喜树的种群趋势进行了预测；从资源生态学的角度，对我国地理环境下喜树中喜树碱含量的地理分布规律、不同种源的喜树幼苗中喜树碱含量变化规律进行了研究，并对喜树碱的提取工艺进行了探讨。

Under the circumstances, oil should be priced closer to $50 a barrel, said Mark Gilman, analyst at the Benchmark Co.

说，在这种情况下，合理的油价应当在接近每桶50美元的水平。

In the modern society of globalist characteristics, the idea of design art has been greatly changed by the means of high technology, and the whole level of design has also been raised, so that setting up a new thought of design art becomes a subject of the day.

在这个具有全球化特征的现代社会，设计艺术的观念在高科技手段的驱动下发生着深刻的变化，设计的整体水平已被提高到一个新的高度，开创设计艺术思路已成为时代的课题。

The expression of TGF-β in glomerulus was examined by immunohistochemistry. Smad2 phosphatase activity was detected by Western blotting.

光镜下观察肾组织的病理改变情况，免疫组化检测肾小球转化生长因子－β1，(TGF-β1)的表达，Western blotting检测Smad 2磷酸化水平。

In addition, the colonization of Glomus mosseae also reduced N∶P ratio of clover, this can lead to the shift in limitation from P to N nutrient.

此外，在一定磷水平下，菌根真菌的存在降低了三叶草中N∶P比，这会改变三叶草的受限制方式，由受P元素限制变为受N元素限制。

Under two levels of earing fertilization (N0 and N2), compared with 25℃ treatment, heat stress (35℃) accelerated the grain filling and resulted in less grain weight, and also reduced the two glutelin subunits content of both fertilization treatments 12.1% and 5.7% respectively, and reduced the prolamin content of them 6.7% and 4.9% respectively. Simultaneously, the polypeptides above 57 kD was increased 18.8% and 11.7% respectively, and grain crude protein content was also increased 0.56% and 0.35% respectively.

在N0和N2两个穗肥水平下，35℃高温处理均提高了子粒灌浆速度，明显降低了子粒单粒重；35℃高温处理还使谷蛋白的两个亚基的含量较25℃处理分别降低12.1%和5.7%，使醇溶蛋白含量分别降低6.7%和4.9%，同时却使谷蛋白组分中57kD及以上多肽的积累分别增加18.8%和11.7%，且子粒的粗蛋白含量也分别增加0.56%和0.35%。

Rovers had a man advantage over the Gunners following Denilson's red card at the end of normal time with the score 2-2 and played their best football for some time, flashing the ball across Arsenal's goalmouth from the foot of Gamst and Bentley.

那场比赛的最后阶段，枪手的德尼尔森被红牌罚下，布莱克本场上有多一人的优势，而当时的比分是2：2平，在那之后，布莱克本打出了最好水平，彼得森和本特利的射门都对阿森纳的球门形成了威胁。

As a result of the growth of income of governable of our country dweller the labor productivity of speed and our country grows speed to differ too far, appeared to be below the case with dweller income not high level the phenomenon with relatively superfluous product.

由于我国居民可支配的收入的增长速度与我国的劳动生产率增长速度相差太远，出现了在居民收入水平不高的情况下产品相对过剩的现象。

A first order electronic gradiometer is composed with two dc-SQUID magnetometers.

在磁场屏蔽的条件下，将50Hz干扰抑制到器件的本征噪声水平。

Results of the analysis and calculation show that results via von Mises model are approaching to that coming from Drucker -Prager model on certain total stress level, so that the grouser effect in a three-dimensional space can be analyzed.

分析和计算结果表明，在一定的总应力水平的情况下，运用von Mises模型，仍可望得到和 Drucker -Prager模型大体一致的结果，这就为履刺效应的三维分析创造了条件。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。