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The Orient Wanli Stone set up a block stockyard in Laizhou very early, as we all know, the local mines resources in Laizhou are abundant. Is there any difficulty in block sale in Laizhou?

isi：贵公司很早就在北方石材基地莱州设立堆场，众所周知，莱州本地矿山资源丰富，当地大部分工厂都以加工自有荒料为主，这样做是否会对公司在莱州的销售带来困难？

The elements and factors that result in the difficulty and poor performance of the underachiever in rural middle-school,though many,can be summarized in two ways:student's obstacle in mind and outer factors.

农村初中"学困生"成因是复杂多样的，但概括起来主要有两个方面的原因：学生自身的心理障碍和外部环境因素。

Secondly, in application of Sampling Evaluation Method, to deal with some unquantifiable factors in Investment Climatess, a questionnaires is made in form of subjective topics, which effectively offsets the shortage of the Evaluation Index System , where some factors are not included due to difficulty in collection or quantification.

其次，采用抽样评价法，针对投资环境中一些无法量化的因素，以主观题的形式进行抽样问卷调查。

Economical heavy load often result in enormous spiritual pressure in psychologically. A kind of setback sense must been produced in soul deep of poor undergraduate by their difficulty. Thus a series of psychological problems and psychological obstacle that includes feeling self-humiliation, blues, anxiety, unsociability and self-denial is resulted in. Some students become poor students which both economy and mind are poor.

贫困使大学生心灵深处自觉不自觉地产生了一种挫折感，从而导致了自卑、抑郁、焦虑、孤僻、人际关系敏感、自我封闭等一系列的心理问题和心理障碍，部分学生因此成为经济、身心的"双困生"，对他们的学习、生活、性格等诸多方面都造成了很大影响。

The design includes many new technologies in data exchange and data security, they are: Converting non-XML data to XML in order to apply the XML security technology to more data types; Using the technology of XKMS and PKI to manage the public key in order to overcome the shortage of complexity and difficulty in using PKI and improve the efficiency of the public key management; Using Diffe-Hellman algorithm combining with the public key technology to exchange secret key in order to furthest increase the security of the key; Using the technology of XML digital signature algorithm to ensure the integrity, message authentication and signer authentication of the data; Using the technology of XML encryption to ensure confidentiality of the data; Defining delegable access rules on the structure and content of the XML documents to provide fine-grained access control. According to the XML security framework, a XML security library is designed and implemented.

在对XML及其安全技术主要包括XML加密技术、XML数字签名、公钥管理、密钥产生和交换进行研究的基础上，结合传统密码技术和XML安全技术提出了一种基于XML的数据安全模型，模型中包含了目前网络数据交换和安全领域的一系列最新技术，主要有：将非XML格式数据转换为XML格式数据的方法，以保证现有的大部分网络数据能够应用XML安全技术；使用XML公钥管理技术结合PKI技术管理公钥，以克服PKI技术实施和部署复杂、难度大等问题，提高公钥管理的效率；使用Diffie-Hellman算法结合公钥技术交换密钥，以最大限度保证密钥的安全；使用XML数字签名技术保证数据的完整性、不可否认性和发送方身份认证；使用XML加密技术保证数据的机密性；根据XML文档的内容和结构定义授权访问规则进行良好的访问控制。

Hangzhou Bay Bridge is the dream of many years Ningpo, Hangzhou Bay is the world's three-tidal bay, the biggest feature is a flood, streaming urgency, while the southern coast has a very wide beach, the beach there are more than nine kilometers, in the Land under some natural gas, the construction of a bridge in this place, in the past were very rare, and uniqueness lies in the special geographical environment, the difficulty of his decision, he is quite a high cost, so that the Hangzhou Bay Bridge The greatest feature is that under these conditions to build a bridge, how to overcome difficulties.

杭州湾跨海大桥是宁波人多年的梦想，杭州湾是世界三大强潮海湾，最大的特点就是一个潮大，流急，另外有一个南岸非常宽的滩涂，这个滩涂有九公里多，在滩涂底下还有一些天然气，在这个地方建桥，在以往是很少的，特殊性就是在于特殊的地理环境，决定了他的难度，他的成本也是相当的高，所以说杭州湾跨海大桥最大的特点就是在这种条件下要建设一座大桥，如何去克服困难。

There is a great difference in the gross composition and biomarker distribution between chloroform extracts of coal and oil from coal measures, which results in a difficulty in oil-source correlation in a coal-bearing petrolific basin.

煤的氯仿抽提物族组成和生物标志物分布特征与煤系原油存在很大差别，导致含煤沉积盆地中煤系原油的油源确认十分困难。

First month of summer's night constrains air smothery was hard to take the electric fan whistling blew out steam to know the cry to cry sultrily to play summer day flavor a step main house gate to seek summer outside the room the atmosphere to let constrain relieves the feeling this time natural rhythm to join in this moment periphery spatial to lie supine in lawn middle thin Wen Erbian slightest sign of trouble the heart's beat, the nature which wind revolving felt plays the distant place Venus to glitter to recall last summer's flavor the past events like running water to emerge the mind carefully the roof, altogether dances hand in hand the summit, looks out sunrise to record the memory which your my unforgettable flash wipes with difficulty extinguishes to record to pledge happiness, fulfills was pledging that remembers always that moment--7.18 the nighttime sky lets the human lose self- the beautiful starry sky to bloom for me to remember eternal, cancels the god to die young to believe that Angel in side!

初夏的夜晚}}压抑的空气让人透不过气}}闷热难耐}}电风扇呼呼的吹出热气}}知了的鸣啼}}演奏着夏日的味道}}步出家门去寻夏}}屋外的气氛让压抑解除}}感受此时自然的韵律}}投身此刻外围的空间}}仰卧在草坪中间}}细闻耳边风吹草动}}心的跳动，风的旋转}}一场感受到的自然演奏}}远方的启明星闪烁着}}回忆着去年夏天的味道}}往事如流水般细细涌入脑海}}屋顶，携手共舞}}山顶，遥望日出}}记录着你我难忘的一瞬间}}难以抹灭的记忆笔录}}承诺着幸福，履行着承诺}}铭记那一刻--7.18 }}夜空让人迷失自我}}美丽星空为我绽放}}记住永恒，抹去神殇}}相信，Angel在身边！

Results The prevalence of sleep abnormality related symptoms was 39.3% in children of 7-12 years old in Wuxi. Among them, the prevalence of being asleep more than half an hour was 7.3%, frequent sleep snoring 10.9%, mouth breathing 5.8%, waking because of choke 0.5%, sleep apnea 0.2%, somnambulate or nightmare 2.1%, limber spasm 11.8%, enuresis 0.2%, difficulty of waking in morning 0.9%, becoming worse in study 17.2%, being impatience 20.3%. There was difference in symptoms between genders.

结果 无锡市538例7～12岁肥胖儿童睡眠障碍发生率为39.9%，其中入睡时间超过0.5 h的报告率为7.3%，睡眠打鼾为10.9%，张口呼吸为5.8%，憋醒为0.5%，睡眠呼吸暂停为0.2%，梦游或做噩梦为2.1%，睡眠中肢体抽动为11.8%，遗尿为0.2%，清晨起床困难为0.9%，近0.5 a学习成绩下降的为17.2%，性情急躁的为20.3%；不同症状的发生率存在性别差异。

This article examines a series of problems arising in Yangzi Petrochemical Company′s 1.39Mt/a continuous catalytic reforming unit during the 2006~2007 period,such as the clogging in the tremie pipe of the catalyst collector,the difficulty in lifting regenerated catalyst and catalyst runoff in the regenerator and the reactor.It analyzes the causes for these abnormities and recommends countermeasures.

摘要介绍了扬子石化公司1.39Mt/a连续重整装置2006～2007年出现的催化剂收集器下料管堵塞、再生催化剂提升困难、再生器和反应器催化剂跑剂等一系列问题，分析了产生这些异常情况的原因以及采取的对策。

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。