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The monophyly of Colelmbola is widely accepted. However, the controversies about the system and the phylogeny of it are existent between different taxonomists. Questions such as whether the Collembola aquatic and which relationships between the different groups in Collembola are argued, too.

跳虫的单系性已经被广泛接受，但是不同的分类学家对跳虫的分类系统和系统发生持有不同的看法，对于跳虫的水生还是陆生的起源，跳虫内部各个类群之间的亲缘关系等问题，一直具有争议。

However, the latter is an important link indispensable to the teaching process, it can not only announce to public the existent key sticking point in teaching and learning process clearly, but also can reflect the corrector's students view and evaluation view that he holds, and it haves important meaning to the growths of the students and teachers that other links in the teaching can not commutable.

然而，作业批改是教学过程中一个不可缺少的重要环节，它不仅能清晰地揭示教学和学习过程中存在的症结，而且能反映出批改者所持的学生观、评价观，对学生和教师的成长都有着教学中其他环节不可取代的重要意义。

At this part,firstly, the article looked back relative concealment system creation and development process, and analyzed its social existent realistic foundation at our country contemporarily.

在这一部分，文章首先回顾了亲属容隐制度产生及发展的历史过程，分析了亲属容隐制度在我国当代社会存在的现实基础。

This experiment contrapose the characteristic of this water quality, present situation of the processing and the existent question, studied on the feasibility of the hydrolisis acidification - SBBR process treat with this kind of wastewater, and has conducted the related exploratory experimental study, had determined the operating condition of this process and the interrelated ...

本试验针对此类废水的水质特点、处理现状及存在的问题，研究了水解酸化-SBBR工艺处理该类废水的可行性，并进行了相关探索性试验研究，确定了本工艺的运行工况及相关参数，为其能应用于工程实践提供了一定的理论基础及科学依据。

The existent questions in the crossflow filtration are analyzed as an emphasized portion.

重点分析了错流过滤应用中的问题。

Science and technology changes the thinking way of people not only, also can change the existent position of nature, affect the production of people and way of life deeplier.

科技不仅改变人们的思维方式，也可以改变自然界的现存状态，更深刻地影响人们的生产和生活方式。

If local governments Game mentality has always existed , if ordering non existent , opening the door to let the City final outcome will have a defendable .

如果地方政府的博弈心态始终存在，如果限令形同虚设，最终城门大开的结局便也情有可原了。

The costs of such negligence are low in Japan where compensation for product liability claims is mostly derisory or non-existent.

这种漠视消费者的做法并不会给企业带来很大的损失，因为日本在产品责任诉讼方面的赔偿额度较低，有时甚至没有。

And indicates that assuring the insurance must possess five elements: firstly, existent of insurable risk; secondly, congregation and disgregation of many homogeneous risks; thirdly, rating of insurance premium rate; fourthly, setting up insurance capital; fifthly, making the insurance contract.

指出保险的确立必须具备五个要素：一是可保风险的存在；二是大量同质风险的集合与分散；三是保险费率的厘定；四是保险基金的建立；五是保险合同的订立。

The result indicated that, although microorganism from paddy soil could directly reduce Cr, the reduecing rate and efficiency were limited; the higher Cr concentration was, the less reducing ability the microbial showed; the microbe from different paddy soils had different effects on Cr reducing abilities; The reducing ability of the microbe from Sichuan paddy soil was higher than that from Jiangxi paddy soil. Cr added could be rapidly reduced in paddy soil under anaerobic incubation, moreover, the process of dissimilatory iron reduction of soil could obviously promote the Cr reduction. The existent of Cr could delay the appearance of Fe; the higher Cr concentration was, the later Fe appeared. The delayed time of Fe appearance was in accordance with the ending time of Cr reduction.

结果表明，由水稻土中提取的微生物虽然能够直接还原Cr，但其还原速率和还原程度有限，且Cr浓度越高，微生物的还原能力越差；不同来源的上壤微生物对Cr的还原能力有所差异，其中四川水稻土中微生物对Cr的还原能力均大于江西水稻土；在厌氧培养的水稻土中，添加的Cr可以较迅速地还原，其中土壤氧化铁的微生物还原过程对Cr还原具有明显的促进作用；Cr的存在导致Fe生成的时间出现滞后，目Cr浓度越大生成Fe的滞后时间越长；Fe产生滞后的时间与Cr还原结束的时间具有一致性。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。