查询词典 study

The study investigates time fractal properties of time series of spontaneous discharge of auditory nerve, we bring to light the shortcoming of the algorithm of capacity dimension and correlation dimension applied to time series of spontaneous discharge of auditory nerve, and offer basis to further study.

本研究从多角度考察了听神经自发放电时间序列的时间分形特性，指出了标度变换法和关联维G-P算法应用于听神经自发放电时间序列分维值计算的不足之处，分析了听神经自发放电序列赫斯特指数的意义，为进一步开展相关的研究提供了基础。

Based on the petrological and geochronological study of metamorphic complexes from the Grove Mountains, the following conclusions are reached.(1)Exsolution texture is widely found in clinopyroxene in mafic granulites. A peak metamorphic temperature of 850 C was obtained from the reintegrated compositions of exsolved clinopyroxene. The preservation of augite megacrysts suggests a single episode of high-grade metamorphism for the Grove Mountains.(2)The compositional comparison of garnet from pegmatites with that from country rocks demonstrates that garnet in pegmatites is of xenocryst origin, and late amphibolite facies metamorphism does not occur in this area.(3)The Pan-African charnockite and post-tectonic sheet-like granite were first recognized in East Antarctica. Their occurrences suggest a collisional orogeny during the Pan-African time.(4)The SHRIMP U-Pb zircon dating on various rock types indicates that the major metamorphism in the Grove Mountains occurs at c. 550 Ma, and the tectonothermal evolution terminated at c. 500 Ma. The Grenvillian granulite facies metamorphism did not develop in the studied area.(5)The Prydz belt, the second Pan-African suture within the Gondwana suppercontinent, was further comfirmed based on this study. The Gondwana suppercontinent was not formed by the simply juxtaposition of East and West Gondwana, but by the collision of several blocks during the Pan-African time.

本项目通过格罗夫山地区高级变质杂岩的变质岩石学和同位素年代学研究，获得如下重要认识：（1）发现辉石出溶结构，由此获得峰期变质温度为850 C，并根据火成普通辉石的识别确定该区只存在单相麻粒岩相变质；（2）通过伟晶岩中石榴石斑晶与围岩中石榴石的对比研究提出了石榴石的捕虏晶成因，进而确定该区不存在晚期角闪岩相变质作用；（3）在东南极首次识别出泛非期紫苏花岗岩和后构造层状花岗岩，为泛非构造热事件的碰撞造山成因提供了重要佐证；（4）对不同岩石类型的锆石SHRIMP定年精确地限定了格罗夫山地区主期变质作用发生于泛非期，～550 Ma，热事件结束于～500 Ma，年代学数据没有揭示在该区存在格林威尔期麻粒岩相变质作用的迹象；（5）进一步确认了东南极内部普里兹带的存在，它属于冈瓦纳超大陆内部的第二条泛非期缝合带，据此认为冈瓦纳超大陆并不是由东、西冈瓦纳陆块的简单拼合而成，而是多个不同块体拼合的结果。

Chapter two, the theoretical basic of the metacongnition in Physics, stating that the theory of Autobus instructive study and the theory of architectural study, Piaget basic constructional learning theory and Vygotsky Social Construction are the psychological base of the metacongnition in Physics teaching, while Lifelong Education Theory and the Theoretical Research of the Subjectivity Education are the pedagogy basic of the metacongnition in Physics teaching.

第二章是元认知物理教学的理论基础。阐明了元认知的基本理论，奥苏伯尔的有意义学习理论、以及皮亚杰的建构主义学习理论和维果斯基社会建构理论是元认知物理教学的心理学基础，终身教育理论、主体教育理论是元认知物理教学的教育学基础。

Beyond the generic way of the ordinary calligrapher's study, the comparative method was used in the paper to make a transverse contrast among Mr. Chen Duxiu's autography, his contemporary calligraphers' and his friends' so as to find their different and common grounds, aiming at the overall and stereo study of Mr. Chen Duxiu's autography.

本文除了运用常规的书家研究的一般方法外，还运用了比较研究法，将陈独秀书法与其同时代书家或朋友的书法作一横向比较，找出他们之间的不同点和共同点，以求对陈独秀书法研究的全面性和立体性。

Beyond the generic way of the ordinary calligrapher"s study, the comparative method was used in the paper to make a transverse contrast among Mr. Chen Duxiu"s autography, his contemporary calligraphers" and his friends" so as to find their different and common grounds, aiming at the overall and stereo study of Mr. Chen Duxius autography.

本文除了运用常规的书家研究的一般方法外，还运用了比较研究法，将陈独秀书法与其同时代书家或朋友的书法作一横向比较，找出他们之间的不同点和共同点，以求对陈独秀书法研究的全面性和立体性。

In order to study the negativesequence influence to regional power grid caused by autotransformer traction power supply system, formulas of NSeq current and threephase voltage imbalance were derived, based on current distribution analysis of AT traction power supply system and singlephase VVconfiguration train substation. Employing the "train diagram" method, the realtime voltageimbalance curve was obtained in a simulation study, as well as the factors that influence NSeq and some measures to restrain it.

为研究自耦变压器牵引供电系统对地区电网造成的负序影响，首先讨论了AT牵引供电系统、单相VV接线牵引变电站的电流分布，推导得出了负序电流、三相电压不平衡度的计算公式；然后结合"列车运行图法"开发了相应的仿真程序；最后通过一个实际算例，得到了实时电压不平衡度曲线，指出了负序大小的影响因素及相应措施。

To make student study availably, must make the student have the desire, request and motives of the study first.

要使学生有效地学习，首先必须使学生有学习的欲望、要求和动机。

With the support of the project, the study completed the classification to passerine birds in Yunnan, summarized their habitat environment, geographical distribution; and analyzed the characters and evolution tendency of avifauna in Yunnan, geographical division of birds in Yunnan. The project was successfully completed. As production of the study, the book of "The avifauna of Yunnan China, Vol.2: passeriformes", three articles in periodical journal, two articles in national meeting proceeding and three articles in international meeting proceeding were published.

在该项目的支持下，通过对云南省雀形目鸟类的分类整理工作，以及栖息地生境、地理分布、区系组成和演化、地理区划等总结分析，完成和出版了《云南鸟类志下卷雀形目》，发表期刊论文3篇，国内学术会议论文2篇，国际学术会议论文3篇。

Combined with the Foundation Research (Avigation science fund 04D52032)"study on CFAR detecting expert system base on clutter tracking".This paper study the fractal technic and snake algorithm on the application of clutter tracking.

本课题结合航空科学基金"基于杂波跟踪融合的恒虚警检测专家系统研究"，研究分形技术和snake算法在杂波跟踪中应用，设计了相应的算法，通过分析真实数据和仿真数据验证了算法的有效性。

The effect of QTL mapping was influenced by many factors including population structure and size, number of QTLs, density of genetic markers, heritability of traits etc., especially the genetic and statistic models, so it is essential to select appropriate method according to actual situations before mapping QTLs. In this study, backcross population for QTL mapping was constructed by computer simulation in order to study power of detection and mapping precision of QTLs at different levels of factors.

影响QTL 定位效果的因素很多，包括群体类型、规模、涉及的QTL 数目、遗传标记的密度、性状遗传力等等，特别是分析中使用的遗传和统计模型对QTL 检测和定位有较大的影响。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。