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two sections     
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  两段
     Using GLR (Generalized Likelihood Ratio) to count the statistic distance, namely the generalized likelihood ratio statistics distance, is reasonable partition to the reverberation data, after partitioning, the neighboring two sections of reverberation data may be partial steady.
     采用GLR(Generalized Likelihood Ratio)统计距离,即广义似然比统计距离的方法,合理的对混响数据进行分段,分段后相邻两段混响数据可认为是局部平稳的。
短句来源
     the peak value of DAC in the brachial plexus of SC was higher than the other two sections,P<0.0 5,except day 15.The peak values of DAC in the thoracic and lumbar plexus of SG all appeared on day 15,P<0.01;
     臂丛段的DAC高于后两段,除E15d外,P均<0.05。 胸段和腰从段SG中的DAC峰值均在E15d,P<0.01;
短句来源
     two sections in series of hydrofining process was researched and developed with C 9 distillate oil as raw material,which can be used to produce solvent oil utilized for painting industry,and make C 9 resource utilization more rational.
     以C9馏分油为原料,开发研制出的两段串联加氢精制工艺,可用于生产油漆工业用溶剂油,使C9资源得以更合理的利用。
短句来源
     During the expansion of Qilu ethylene plant (from 300kt to 450kt) in 1998, acetylene converters were transformed from one section to two sections.
     齐鲁乙烯装置 1998年改造为 45 0kt a后 ,碳二加氢反应器改为两段加氢流程。
短句来源
     For example,if a catalyst with mean activity two times that of the present catalyst was loaded in the reactor in two sections to replace the normal reactor loaded in one-section of catalyst,the temperature of hot-spot may be reduced by 13. 9℃ ,and the conversion of ethylene and the selectivity of vinyl acetate from ethylene may be increased by 1. 46% and by 1. 41% respectively.
     例如,用两段填装催化剂平均活性(?) =2的反应器代替一段填装催化剂的反应器时,热点温度降低了13.9℃,乙烯转化率和乙烯转化为醋酸乙烯的选择性分别提高了1.46%和1.41%.
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  两部分
     Time comparison experiment via laser pulses has been made between the two sections of Shanghai Observatory,Xujiahui and Sheshan,separated by 25.2 km.
     上海天文台在相距25.2km的徐家汇和佘山两部分之间进行了激光时间比对实验。
短句来源
     This dissertation includes mainly the following two sections: the total synthetic study of spirotryprostatin B and synthesis of bisindolylkanes.
     本论文的研究工作主要由吲哚类生物碱spirotryprostatin B的全合成研究和双吲哚甲烷类化合物的制备方法学研究两部分组成。
短句来源
     As classroom tests include the informal quiz and the formal achievement test, this study was accordingly conducted in two sections.
     由于课堂语言测试包括非正式的课后小测验和正式的成绩测试两种形式,因此本研究分两部分进行。 首先是对完形填充用于课后小测验的研究。
短句来源
     This lecture about infrared radiation temperature measuring technology contains two sections: infrared radiation and infrared detector.
     本次讲座主要介绍红外辐射测温技术内容,包括红外辐射与红外探测器两部分
短句来源
     [Purpose] To evaluate the validity and security of two-step laser-induced chorioretinal venous anastomosis (LCRVA) for treatment of central retinal vein occlusion (CRVO)[Methods] Two sections, experimental part and clinical part, were included in our study.
     【目的】评价“二步法”激光诱导脉络膜视网膜静脉吻合术(laser-inducedchorioretinal venous anastomosis,LCRVA)治疗视网膜中央静脉阻塞(central retinal vein occlusion,CRVO)的有效性及安全性。 【方法】本研究分实验和临床两部分
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  两截面的
     Based on laser Doppler effect, single section rotational speed of rotating shaft was measured. The rotational speed difference of two sections could be measured by measuring the two sections rotational speed.
     基于激光多普勒效应测量转轴单截面转速的原理,通过测量双截面的转速进而求两截面的转速差。
短句来源
     Integrating the rotational speed difference, the relative torsion angle of the two sections under the action of torque was obtained, so the rotating shaft torque was gotten. Non-contact torque measurement of rotary machine was realized.
     对转速差进行积分得到在扭矩作用下转轴两截面的相对扭转角,从而得到转轴扭矩,实现传动轴扭矩的非接触测量。
短句来源
  两截
     This paper describes the design of the Dewal for 30T pulse magnet and the calculation result for transfering heat. The LN2 Dewar is in two sections, so the installation of the magnet is convenient.
     该文叙述了30万高斯脉冲磁体杜瓦的设计及传热、漏热计算结果,LN2杜瓦的设计特点是做成两截的,这样装卸磁体方便。
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      two sections
    The main part of the work deals with abstract Higgs bundles; in the last two sections we derive the applications to Higgs bundles valued in a line bundle K and to bundles on elliptic fibrations.
          
    In the last two sections, we review arithmetical characterization of spectra of finite simple groups and conclude with a list of groups for which the recognition problem was solved within the last three years.
          
    A high-voltage switch used in the generator circuit is based on ten IGBT transistors connected in series and operates jointly with two sections of magnetic pulse compression.
          
    The database BiolumBase was designed for the collection and systematization of available information on microorganisms containing bioluminescent systems; it includes two sections: natural and transgenic luminous microorganisms.
          
    Legitimacy of the discrimination between two sections within the genus Eleutherococcus was confirmed.
          
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    Formulas are derived for the solution of the transient currents of resistance-terminated dissipative π-type low-pass, T- and π-type high-pass electric wave filters. Oseillograms taken by cathode ray oscillograph for d-c. and a-c. cases are found to agree with the results calculated from these formulas. From these calculations, the following conclusions are derived: (1) When the terminating resistance is gradually increased from 0, the damping constants of the damped sine terms begin to differ greatly from each...

    Formulas are derived for the solution of the transient currents of resistance-terminated dissipative π-type low-pass, T- and π-type high-pass electric wave filters. Oseillograms taken by cathode ray oscillograph for d-c. and a-c. cases are found to agree with the results calculated from these formulas. From these calculations, the following conclusions are derived: (1) When the terminating resistance is gradually increased from 0, the damping constants of the damped sine terms begin to differ greatly from each other, ranging in decreasing magnitudes from the first damped sine term to the last term of cut-off frequency. Hence the transient is ultimately of the cut-off frequency. At the cut-off frequency, this constant is greater than the corresponding constant (R/2L) when the termination is absent. (2) For each increase of one section, there is introduced an additional damped sine term with smaller damping constants. Therefore transients die out faster in filters of small no. of sections. (3) With the same network constants, the damping constants of π-type filters are greater than the corresponding values of T-type filters. As a result, transients die out faster in π-type filters. (4) The amplitudes of the transient terms in the attenuation and transmission ranges are of the same order of magnitude, and the filtering property only exists in the steady states. (5) The cut-off frequency of the π-type filters varies with the no. of sections used. When only two sections of low, or, high-pass filter are used, the variation amounts to nearly 26 per cent from the theoretical value.

    此篇先推求收端加电阻时,低频与高频滤波器瞬流之公式依此公式算出之图与用阴极光示波器映出之曲线相符合。自推算之结果,可得下列结论: (一)在滤波器收端电阻渐加时,瞬流各项之挫率渐渐互异其数量,由第一挫波项至最後隔阻频项,顺序渐减;其最小数仍比收端无电阻时之挫率(约等于R/2L)为大。故瞬流终必变为隔阻频之电流,而较收端无电阻时易于消灭。 (二)当滤波器增加一段时,瞬流之项数亦加一,所加项之挫率皆比前有者为小,故少段滤波器之瞬流易于消灭。 (三)在π式滤波器中,其瞬流各项之挫率恒较同一电恒数T式滤波器中之相当项之挫率为大故在π式滤波器中,瞬流消灭较易。 (四)在隔阻频后瞬流之数量与在其前者相彷,恒较隔阻频后之安定数量大数十倍,故滤波器之特性仅能见之于安定状态之下。 (五)π式滤波器之隔阻电频随所用之段数而变化在二段之滤波器中,此变化数为最高,其数与理想之数相差百分之二十六。

    There are originally two sections, Micropeuce (Spach) Schneider and Hesperopeuce Engelmann, in the penus Tsuga Carriére. In the paper here presented, the authors propose a third and new section Hepsopeuce Keug f. & Keng for the genus. The species Tsuga Sieboldii Carr. is designated as the type of both the genus Tsuga and of the section Micropeuce while the species Tsuga Mertensiana (Bong.) Carr. and Tsuge longibracteata W. C. Cheng are given as the type of the sections Hesperopeuce and...

    There are originally two sections, Micropeuce (Spach) Schneider and Hesperopeuce Engelmann, in the penus Tsuga Carriére. In the paper here presented, the authors propose a third and new section Hepsopeuce Keug f. & Keng for the genus. The species Tsuga Sieboldii Carr. is designated as the type of both the genus Tsuga and of the section Micropeuce while the species Tsuga Mertensiana (Bong.) Carr. and Tsuge longibracteata W. C. Cheng are given as the type of the sections Hesperopeuce and Hepscpeuce respectively. The synonyms of these three sections and of their type species are also given under their proper places and arranged chronologically. Besides a brief description written in Chinese for each of these three sections and of their types, a Latin diagnosis is also given for the new section Hepsopeuce. In conclusion, a key to these three sections of the genus Tsuga Carriére, written in Chinese as well as in Laitn, is prepared by the authors.

    此系在我校研究部高级植物分类学一课程中发现之一问题,作者深觉在国产铁杉属中有所设立一新组之必要,故特予发表,以供将来在教学与科学研究上深入探讨时之参考。

    Published here are two sections of the last chapter of the newly prepared text Structural Mechanics. The conditio us forsimplification of local parts of a structure and of the structure as a whole are analyzed herein and a preliminary summary on the interrelation between actual structures and their mechanical models is given. Rational simplification of actual structures is a problem usually neglected in old textbooks. Authors of this text observed Chairman Mao's teaching: The nature of a thing is determined...

    Published here are two sections of the last chapter of the newly prepared text Structural Mechanics. The conditio us forsimplification of local parts of a structure and of the structure as a whole are analyzed herein and a preliminary summary on the interrelation between actual structures and their mechanical models is given. Rational simplification of actual structures is a problem usually neglected in old textbooks. Authors of this text observed Chairman Mao's teaching: The nature of a thing is determined mainly by the principal aspect of a contradiction, the aspect which has gained the dominent position, analyzed the multifarious forms of connection between various parts of a structure and made an attempt to introduce the concept relative stiffness, which synthesizes various concrete forms of connection and makes possible a quantitative evaluation of the condition for simplification. The writing of new textbook is an important aspect of educational revolution. The selected sections of text materials published in the present issue and the preceding one of this journal are presented as materials for reference and discussion. They contain some new ideas in certain respects but are yet not perfect. From now on, we shall continually publish materials of such nature. We hope sincerely that all comrades engaged in textbook writing and all readers recommend to us such sections of new textbook material and take part in the study and discussion of them, thus promote educational revolution.

    这里选载了新编“结构力学”教材最后一章中的两节。文中既分 析了对结构局部进行简化的条件,也分析了对结构整体进行简化的条件,对力 学模型和实际结构的内在联系作了初步总结。 如何对实际结构进行合理的简化,在旧教材中在往是迴避的。该书编者遵 照毛主席关于“事物的性质,主要地是由取得支配地位的矛盾的主要方面所规 定的”教导,分析了结构各部分之间多种多样的联系,试用了“相对刚度”这 个概念,来概括各种联系的具体情况,据此可以对简化条件进行数量的分析。 编写新教材,是教育革命的一个重要方面。本刊上期和本期刊登的有关教 材选段,是作为一种资料,供大家讨论参考;它们在某些方面有一定的新看 法,但还不完善。希望从事教材编写工作的同志和读者,积极向本刊推荐这类 新教材的章节和参加研究讨论,从教材这个侧面促进教育革命。

     
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