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      explain
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  解释

    The metal-poor AGB stars with the initial mass in excess of 3—4M(?) may cause the degenerate cores to reach the Chandresekhar mass, leading to Type-1.5 supernova, this process would explain the enhancement pattern of the s+r stars produced by small overlap factors r ~ 0.1 - 0.2 . Because the core mass of the AGB star is remarkably large at low metallicity.

    对于初始质量大于3—4 M_☉的贫金属AGB星,其简并核可以到达钱德拉塞卡质量极限而形成1.5型超新星,这可解释重叠因子范围为r～0.1-0.2的s+r星的丰度分布。

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    we propose that the binary systems with lower-mass AGB stars (M<3—4M(?) ) may also cause the AIC, which can explain the enhancement pattern of the s+r stars produced by large overlap factor r ~ 0.3-0.8. The binary systems with low-mass AGB stars (M<3.0M(?)

    由于低金属AGB星的核心质量较大,AGB星初始质量小于3—4M_☉的双星系统也可能形成AIC,这可解释重叠因子范围为r～0.3-0.8的s+r星的丰度分布。

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    To explain the properties of the known slowest X-ray pulsar 2S 0114+650,the magnetic field strength of this pulsar must be initially 10 14 Gs,that is,it was born as a magnetar.

    为了解释熟知的最慢X射线脉冲星 2S 0 114+6 5 0的性质 ,其磁场强度必须大于 10 14 Gs ,即它诞生时即为一磁体。

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    The Explain of Galaxies Spectrum Redshift and Photon Collision

    星光红移的碰撞解释

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    Numerical results tell us that CMEs are confined by two streamers to propagate between them. CME magnetic field profiles are similar to those in the section of magnetic cloud, which can explain partial features of magnetic cloud observed at 1AU.

    模拟结果表明，CME被约束在两冕流间传播，CME闭磁场位形和磁云横截面磁场位形相似，可以解释1AU处观测磁云的部分特征；

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  说明

    Our result is that the medium effect can decrease the lowest critical rotating period from 2.5~3ms to 1.78ms, this can give a better explanation to the two most fastest pulsar data and also can explain the clustering of spin data of the pulsars in Low Mass X-ray Binaries.

    qy AWI工R’S 7”halfS的，－模不稳定窗口，探讨了奇异星的转动演化行为；发现介质效应可以使奇异星的最低极限旋转周期从2．SN3ms减小到1．78ms，这可以更好的解释两颗最快的脉冲星数据，并且它与低质量X射线双星自转周期数据的上限相符，能够很好地说明它们自转周期的成团现象。

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    Demands on the working catalogue when determining the astronomical refraction and influences of systematic error of the catalogue are related. And the systematic error of the FK5 with respect to Hipparcos Catalogue is put forward so as to explain why all the eariler star catalogues are inapplicable to refraction measurement.

    叙述了测定大气折射对工作星表的要求和星表系统误差的影响,并通过FK5星表相对于依巴谷星表的系统误差,来说明以往的各种基本星表都不适用的原因;

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  “explain”译为未确定词的双语例句

    In this paper, We try to explain why no FGS has been found in our Galaxy, even no star with metallicity [Fe/H]≤-6 has been found.

    长期的观测结果表明银河系中尚未发现金属丰度 ([Fe/H] )为零、甚至金属丰度 [Fe/H]≤ - 6的恒星 .

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    Recently Wetterich proposed a varying dark energy model with the equation of the state w( z )= (1+w0) /(1+bln(1+z)) to explain the accelerating universe at present.

    最近Wetterich给出了一个简单的参数化的w(z)=(1+w0)/(1+bln(1+z))来表示一个变化的暗能量模型,本文利用194Ia超新星的观测数据对这一暗能量模型进行了检验。

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    It is also pointed out that the "Pre-enrichment" can't be used to explain the bimodal structure of metallicity distribution of GCs.

    本文的研究同时指出，“预增丰”不可能造成球状星团系统的金属度双峰结构。

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    The traditional model of astronomical-telescope synthetic system and a new mathematical model use to explain speckle image were given in chapter 1 ,we also try to show the importance of statistics in this chapter.

    论文第一章给出了“大气—望远镜综合系统”模型，并提出了一个描述斑点图的新数学模型；

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    Firstly telescope control system design considerations are given to explain how computerized telescopes work.

    然后专门介绍伺服控制系统的设计。

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  explain
       Deviations from both statistical isotropy and Gaussianity are detected in the reviewed works, suggesting more exotic cosmological models may be required to explain our Universe.
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       Further the PLS coefficient contour maps from CoMFA and CoMSIA, well explain the structural variation of the PPARα inhibitors.
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       For the new test data, we present the prediction formulation, and explain how the margin model affects the classification boundary.
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       In order to explain the spatial patterns of interception, we adopted grid-sampling method to install rain-gauges to measure throughfall.
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       The present scenario can be used to explain some experimental facts for electronic transports in manganites, which are not accessible in the magnetic framework.
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         Spectral observations of Nova Delphini were made at Purple Mountain Obser- vatory from July 22 to October 5,1967.Dispersion of the spectrograms is about 153A/mm at H_γ.In this paper its spectral characteristics and changes are described. The expansion velocities of the envelope are derived,and the speetrophotometric mea- surements are presented. From an analysis of the results,it is concluded: 1.Comparing the spectral feature of Nova Delphini with mainly the pre-maxi- mum spectrum of DQ Her,the only Nova ob...
            本文对1967年海豚座新星12月极大前光谱作了分光光度测量,测定了壳层膨胀速度.分析测量结果,提出如下看法:一、归纳出新星极大前光谱变化有三个共同的特征.这些特征是:1.壳层膨胀速度逐步减小,并渐趋稳定;2.色温度总的趋势是下降;3.某些电离电位或激发电位相对较高的元素的发射线,其相对于连续谱的强度也有下降的趋势.二、海豚座新星特征有利于把其平坦极大阶段看成是极大前休止的假设.三、用连续物质流的假设可以满意地解释我们所观测到的新星极大前光谱变化的特征.
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         Yunnan Observatory obtained white-light fine-structure photographs of a circu-lar, regular and stable sunspot which passed across the solar disk during April 9-20, 1976. In this investigation the widths of the penumbrae, umbra and the whole sunspot at various heliocentric angles 0 are measured. Through analysis it is found that the Wilson effect (A. Wilson, 1774) involves complex regularities unknown before. They are mainly.(l)When the spot is near the east limb of the solar disk, it displays the posi-tive ...
            云南天文台拍到了1976年4月9—20日过日面的一个圆形、规则、稳定黑子的白光精细结构照片。本文测量了其在不同日心角时的半影、本影和整个黑子的宽度,分析的结果发现威耳孙(A. Wilson, 1774)效应包含许多过去未知的复杂的规律性,主要有: (1)当黑子在东边缘附近时表现正常的威耳孙效应(向日面边缘和中心的半影宽度之比f>1),在西边缘附近时为负效应(f<1)。 (2)黑子在西边缘附近时,向日面中心的本影-半影边界较弥散,另一边的较清晰。但当它在东边缘附近时,向边缘的本影-半影边界较弥散,另一边的较清晰。 (3)产生威耳孙效应的主要原因是黑子向日面中心一边的加强了的缩减。 (4)当日心角增大时,黑子的视直径下降得比由几何缩减所予期的要快些。 (5)当黑子接近日面西边缘时,向中心一方的半影没有消失的趋势。本文提出了一个黑子模型,可以定性地解释上述各种规律性。
文摘来源
         In this paper, we explain the method used to study the orbital evolution of Halley's comet during the past three thousand years. This discussion is based upon the result of calculation of the motion of Halley's comet, taking into account the perturbations of the nine major planets in the past three thousand odd years. The major part of this discussion is centered upon the historical records of the past returns of Halley's comet.By analysis and research, we try to decide whether the record really repre...
            本文讨论了哈雷彗星三千多年中轨道演变的趋势。所根据的资料是利用TQ-6型电子计算机,计及大行星摄动而求得的在这三千多年中的运动轨道。本文的中心内容是将我国历史上各次可能是哈雷彗星的纪录,加以分析考证,以断定其是否果属哈雷彗星。对于几个有关年代学的问题,也提供了解决的线索。
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