absolute magnitude
英 [ˌæbsəluːt ˈmæɡnɪtjuːd]
美 [ˌæbsəluːt ˈmæɡnɪtuːd]
n. 绝对星等(天体光度的一种量度)
牛津词典
noun
- 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
英英释义
noun
- (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
双语例句
- 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。 - 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。 - 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 - 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。 - 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 - 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 - 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； - 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； - 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。 - 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。