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In this paper,the area ratio of plane figure affine transformation in space is investigated,and the transformation equation of λ multiple of area is got , the area change of plane figure under affine transformation in space is studied, a important property of three axis ellipsoid is given and proved.

探讨了空间场的仿射变换下平面图形的面积比，推导出λ倍积变换方程式，进而探讨了空间场的仿射变换下平面图形面积的变化规律，给出并证明了三轴椭球体的一个重要性质。

In this paper, the biomasses of 4 types of shrublands,such as Myrsine africana,Loropetalum chinense,Vitex negundo and Cotinus coggygria,and their responses to cutting were investigated with harvest method and cutting experiment.

本文采用收获法和模拟砍伐实验研究了三峡地区铁仔灌丛、木灌丛、荆条灌丛和黄栌灌丛的生物量及黄栌灌丛、木灌丛地上部分砍伐后的再生能力。

The natural distributing populations of the indigenous timber species--Cordia africana that grew in and around the area of Mizan Teferi in Ethiopia were investigated. Bulk seed samples were selected from ten phenotypically superior trees in different natural populations. They were evaluated through the performance of their half-sibs and especially examined for variability in seed morphometrics, seed germination, and seedling growth at nursery stage.

通过对埃塞俄比亚Mizan Teferi及周边地区生长的乡土用材树种--非洲破布木自然种群分布情况调查，筛选了10株生长表现型较好的优良母树，采集了大量的供试种子样品，并对其种子外部特征和在苗圃中的发芽率和种苗生长表现进行了观察和分析对比。

The students' after-class sports activities in poverty minority groups in Northwest China are investigated and analysed.

西北贫困民族聚居区的学校体育教育，是在多元文化背景下形成的一种固化式的发展模式。

Long afterglow luminescence materials, which have excellent luminescent properties have been widely investigated and application.

长余辉发光材料由于其良好的发光特性被人们广泛研究和应用。

The combustion characteristics of agaric, an important combustible in Hengyang '11.3' Fire in Hunan province, China, was investigated using different scale experiment equipments.

对湖南衡阳"11.3"特大火灾事故的重要可燃物木耳，进行了小尺寸和全尺寸实验。

With sod culture in orchards as background and the native arbuscular mycorrhizal fungi in orchard soil as target, the influences of Stylosanthes gracilis, Ageratum conyzoides and Paspalum notatum on the growth and community structure of AM fungi were investigated.

以果园生草栽培为背景，果园土壤中土著AM真菌为研究对象，考察了柱花草、百喜草和藿香蓟对与之根系共生的AM真菌的生长与群落结构的影响。

In buffer zone, there were 14 invasive alien plant species out of 62 investigated plant species, accounted for 22.58%t of total plant species. The comprehensive values of dominance of Pliea microphylla, Ageratum conyzoides and Wedelia trilobata were larger than that of other plant species.

在缓冲区样方内共调查到62种杂草，其中外来入侵植物14种，占植物总数的22.58%，外来入侵植物小叶冷水花、胜红蓟和三裂蟛蜞菊Wedelia trilobata的优势度综合值最大。

There were only three invasive alien plant species out of 24 investigated plant species occurred in core zone, which were clearly lower than those of experimental and buffer zones. The invasive alien plant species accounted for 12.5% of total plant species. The invasive alien plant species with the largest comprehensive values of dominance were Peperomia pellucida and Ageratum conyzoides.

在核心区的样方内共调查到了24种植物，外来入侵植物有3种，占植物总数的12.50%，入侵植物数量明显低于实验区和缓冲区，优势度综合值最大的外来入侵植物是草胡椒Peperomia pellucida和胜红蓟。

There were 14 invasive alien plant species out of 53 investigated plant species, accounted for 26.42% of total plant species found in the experimental zone. In terms of the comprehensive values of dominance of invasive alien weeds, Ageratum conyzoides and Pliea microphylla were larger than that of other plant species.

实验区样方内共发现53种植物，其中外来入侵植物计有14种，占植物总数的26.42%，外来入侵植物胜红蓟Ageratum conyzoides和小叶冷水花Pilea microphylla的优势度综合值最大。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。