absolute magnitude

noun

1. 绝对星等（天体光度的一种量度）
   a measure of how bright a star, planet, etc. is, as it would be seen at a standard distance from the earth

1. Effect of Opacity on the Maximum Absolute Bolometric Magnitude of Ia Supernova
   不透明度对Ia超新星极大光度的影响
2. Problems of urbanization are widely noted and studied, not only because of their absolute magnitude but also because of their visibility.
   城市化的问题正在受到广泛的注意和研究，不仅因为这些问题十分重要，而且非常突出。
3. The most common exceptions to the use of the absolute magnitude convention are temperature and LOGIC levels.
   绝对参量公约中最常见的例外就是温度和逻辑电平。
4. You can see that in many Asian countries where rate of urbanization and the absolute magnitude of populations means that the sewerage systems, the energy systems just can't cope with the pressure.
   你可以看到，在很多亚洲国家，都市化比率和庞大的人口基数让污物处理系统和能源系统不堪负荷。
5. The zero point of the period-luminosity relation of Cepheids and the absolute magnitude of the RR Lyrae variables
   造父变星周光关系的零点和天琴座RR型星的绝对星等
6. 3) The absolute intensities of the emission bands have been obtained from the absolute magnitude M_B and the relative intensities of the emission bands for Nova ( Table 4).
   由新星绝对星等MB和发射带的相对强度求得了谱带的绝对强度（表4）。
7. The calculated absolute stress value is small due to the small magnitude of the load.
   由于海洋动态载荷的量级小，计算结果的应力绝对值也很小，因此，这种吻合表明较小的动态载荷下的动态响应揭示了孕震构造的特征，显示了应力集中的地点。
8. The available camera self-calibration is based on the image of the dual absolute quadric, but its elements have so large differences in magnitude that solutions are extremely sensitive to noise.
   现有的自定标技术一般都是基于对偶绝对二次曲面像，由于对偶绝对二次曲面像元素在数量级上相差较大，在求解时必然会导致鲁棒性较差。
9. On the basis of equivalent heat-drop theory under variation of heat quantity, a mathematical description concerning heat mass energy entering into or leaving from the thermodynamic system as absolute magnitude was deduced.
   在变热量等效热降法理论的基础上，推导出热质能量以绝对量的形式进、出热力系统的数学描述&纯热量法。
10. It discusses the physical basis of the magnitudes and the approaches to the unification of magnitudes, and suggests that to establish an absolute magnitude scale is the cardinal way to solve the problem of confusion of magnitudes.
    讨论了震级的物理基础及其统一的途径，并认为建立一个震级的绝对标度是解决震级混乱状况的根本途径；
11. Optical gray scalae image matching based on absolute difference magnitude
    基于绝对差度量的灰阶图像光学匹配运算
12. The determinations of the absolute magnitude and the kinematic parameters of RR Lyrae stars, their effects on the estimations of the distances and the ages of the globular clusters, and the comparisons between the results and ones from other indicators of distances are reviewed.
    对天琴RR型变星绝对星等与运动学参数的测定及其对确定距离、球状星四年龄估计的影响，并对它们和其他距离指示器求得的结果的比较作了评述。
13. In this method the opening operation of rectified signal's absolute value is performed to filtrate the spike noise, then the dilation operation of flat structuring element, whose length is one half of the period of power frequency, to extract the magnitude characteristic of the signal;
    该方法先对整流信号（取绝对值以后的信号）进行开运算以滤除尖峰噪声，再用长度为1/2工频周期的扁平结构元素进行膨胀运算提取其幅值特性；
14. Absolute Magnitude and the Kinematic Parameters of RR Lyrae Stars
    天琴RR型变星的绝对星等与运动学参数
15. The Absolute K Magnitude and the Distance of OH/ IR Stars
    OH／IR星的绝对K星等与距离
16. The Determination of Distance of Galactic Globular Clusters and Estimation of the Absolute Magnitude of Cluster Horizontal Branch
    球状星团的距离测定与水平支绝对星等的估值
17. As an absolute measure of earthquake size, moment magnitude is directly related to physical process earthquake source and does not suffer from saturation.
    文章指出，矩震级是一个表征地震绝对大小的量，它与地震震源的物理过程直接关联，不会饱和；
18. There is also a tendency that the absolute value of mean hypocenter depth increases with magnitude by and large.
    震源深度均值大体上也有随震级增大而增大的趋势。
19. Considering the effects of chemical or chemo-thermal effects, the peak of pore pressure and absolute value of total stress are at the same magnitude.
    在考虑化学效应或化学-热效应下，孔隙压力的峰值与总应力绝对值的峰值处于同量级。
20. Through observing variation of absolute pressure, vapor volume fraction and velocity magnitude in flow field, mechanism of ultrasonic cavitation and influence factors are investigated.
    通过观察流场内的绝对压力、汽含率以及流体速度的变化，分析了超声空化的发生机理和影响因素。
21. It is found that increasing the energy or the absolute value of the ratio does always cause the extent of chaos. However, chaos becomes weaker for a larger magnitude of the angular momentum.
    发现当增大能量或电荷质量比的绝对值时混沌强度增加，但对于较大的角动量，混沌变弱。

noun

1. (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth