系统发生

RESULTS:After pinealectomized mice was irradiated WBI with 75 mGy X-rays,we found levels of plasma corticosterone increased obviously,and the effects of the proliferative reaction of splenocytes to ConA and spontaneous proliferation of thymocytes was found to be decrease. But injecting melatonin into pinealectomized mice or putting melatonin in the cultured cell,its immune functions might renew the enhancement.CONCLUSION:Melatonin of pineal gland might regulate the immunoenhancement induced by low dose radiation.MeSH Pineal body; Melatonin; Radiation; Corticosterone; Immunity,cellular

低剂量辐射(low dose radiation，LDR)全身照射(whole body irradiation，WBI)可引起免疫系统的兴奋效应，主要表现在以T淋巴细胞功能激活为主的细胞免疫和体液免疫功能的增强并可提高机体的抗瘤作用［4，5］，在LDR诱发免疫功能增强的同时伴有下丘脑-垂体-肾上腺皮质系统功能下调等神经内分泌功能的改变，神经内分泌对免疫系统的调节可能是LDR免疫兴奋效应发生的必要条件，松果腺MLT与辐射免疫兴奋效应的关系值得研究。

In some sense she seems to represent the supreme female principle, as for instance in the Ptolemaic system, in which the mother of the seven heavens is called Achamoth, in the Valentinian system, in which he ano Sophia, the Wisdom above, is distinguished from he kato Sophia, or Achamoth, the former being the female principle of the noumenal world, and in the Archotian system, where we find a "Lightsome Mother", and in which beyond the heavens of the Archons is he meter ton panton and likewise in the Barbelognosis, where the female Barbelos is but the counterpart of the Unknown Father, which also occurs amongst the Ophites described by Irenaeus Adv.

从一定意义上，她似乎代表最高人民法院女性的原则，例如，在托勒密系统，在该母亲的7天是所谓的achamoth ，在valentinian系统，他在其中年度索菲亚，智慧以上，是区别于他加藤索菲亚，或achamoth ，前者是女性的原则，本体世界，并在archotian系统，我们在那里找到一个" lightsome的母亲"（他米，他photeine ），并在其中超越老天爷的执政官是他米吨潘汤同样，在barbelognosis ，那里的女性barbelos不过是对口对未知的父亲，也会发生，其中ophites所描述的爱任纽

A reciprocal two-dimensional comparison matrix of objective sets is established with nine scales,and a combined method of both the square-root and power ...

利用九标度法建立目标集的互反型二元比较矩阵，对其用方根法与乘幂法结合使用，以此求得交通系统各子系统的相对重要度排序向量，找出极易使交通系统崩溃的脆性元件或因素，对其进行重点监测，最大限度避免了脆性的发生，从而为交通系统的脆性研究提供了一种可行的分析方法。

Fire is significant among disasters in urban area. The occuring frequency of fire is the highest among all kinds of disasters, and the loss due to fire is about five times of that due to earthquake. At the present, the tasks such as searching fire control information, disposing alarm telephones and make dispatch, are still accomplished in manual manner domestically. Current commanding system of fire fighting drops behind the development of cities, so that the setout time of fire companies is delayed.

中文题名城市消防指挥系统中的GIS和虚拟现实应用技术副题名外文题名 The application technology of GIS and VR in commanding system of fire fighting for urban area 论文作者许云导师任爱珠教授学科专业防灾减灾工程及防护工程研究领域\研究方向学位级别博士学位授予单位清华大学学位授予日期2002 论文页码总数115页关键词地理信息系统虚拟现实消防指挥系统火灾馆藏号BSLW /2003 /TU998.1 /4 火灾是城市灾害中的重要灾种，其发生频度居各灾种之首，造成的直接损失约为地震的五倍。

The variations of machine parameters, due to operation temperature, saturation level of rotor flux , rotor time constant, etc., lead to poor dynamic performance and incorrect stationary point of operation.

由于系统运行过程中的温升、磁饱和等因素会导致电机的参数发生变化，参数变化势必会影响拖动系统的动态性能并且可能会导致系统的不稳定运行。

When the power system load in a small disturbance, the system itself to maintain the stability of the power transmission capacity, the use of automatic excitation regulator device may reduce the reactance of the generator, and then further to maintain the transformer high-voltage bus voltage constant, so compensation not only its own reactor, but also compensation for the step-up transformer reactance, thus greatly improving the power limits of generators, which greatly increased the static stability of power system.

当电力系统的负载发生微小的扰动时，系统本身保持稳定送电的能力，使用自动励磁调节装置，则可减小发电机的电抗，再进一步维持变压器高压母线的电压恒定，这样不仅完全补偿了自身的电抗，而且还补偿了升压变压器的电抗，这样就大大提高了发电机的极限功率，即大大地提高了电力系统的静态稳定。

As to the second requirement, with the development and adoption of new technology, high verisimilitude requirements are raised to avion simulation system.

随着科学技木的飞速发展，现代军机仿真训练系统面临两大需求：一是功能需求，现代军机功能的增强，使飞行仿真训练内容发生了较大变化；二是技术更新需求，新技术的发展及其在仿真系统中的应用，对军机仿真系统的逼真度提出了更高的要求。

For system stable reliable,in the system integrated "the watch-dog" the chip,avoided the system because of dying machine the knock off situation occurrence.

为了系统稳定可靠，系统内集成了"看门狗"芯片，避免了系统因为死机而停止工作的情况发生。

In some sense she seems to represent the supreme female principle, as for instance in the Ptolemaic system, in which the mother of the seven heavens is called Achamoth, in the Valentinian system, in which he ano Sophia, the Wisdom above, is distinguished from he kato Sophia, or Achamoth, the former being the female principle of the noumenal world, and in the Archotian system, where we find a "Lightsome Mother", and in which beyond the heavens of the Archons is he meter ton panton and likewise in the Barbelognosis, where the female Barbelos is but the counterpart of the Unknown Father, which also occurs amongst the Ophites described by Irenaeus Adv.

从一定意义上，她似乎代表最高人民法院女性的原则，例如，在托勒密系统，在该母亲的7天是所谓的achamoth ，在valentinian系统，他在其中年度索菲亚，智慧以上，是区别于他加藤索菲亚，或achamoth ，前者是女性的原则，本体世界，并在archotian系统，我们在那里找到一个& lightsome的母亲&（他米，他photeine ），并在其中超越老天爷的执政官是他米吨潘汤同样，在barbelognosis ，那里的女性barbelos不过是对口对未知的父亲，也会发生，其中ophites所描述的爱任纽

The servicemen must grasp this system's composition structure and the principle of work, to the breakdown which occurs can carry on the correct diagnosis and the elimination, guaranteed SRS system when accident collision triggered reliably correctly, guarantees escorts while personnel's person safety this article introduced security aerocyst knowledge and so on principle of work and protective function mechanism as well as failure diagnosis and elimination, but also introduced the Audi A6SRS system's characteristic specifically.

维修人员必须掌握该系统的组成结构和工作原理，对发生的故障能够进行正确的诊断和排除，确保SRS系统在意外碰撞时正确可靠地触发，保护驾乘人员的人身生命安全本文介绍了安全气囊的工作原理和保护作用的机理以及故障诊断与排除等知识，还具体介绍了奥迪A6SRS系统的特点。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。