Taken together, the two processes have reduced the mass of Antarctica's ice shelves by 12 trillion metric tons since 1997.
自1997年以来，这两个过程加在一起已经使南极洲冰架的质量减少了12万亿吨。
Reduced mass
原声例句
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It can lead to poor sleep, increased body fat, reduced muscle mass and even insulin resistance, which is a common warning sign for the development of Type 2 diabetes.
它会导致睡眠质量下降，体脂增加，肌肉减少，甚至胰岛素耐受性降低，这是Ⅱ型糖尿病发展的常见警告信号。
宇宙奥秘
Even if new life could still emerge, it is unlikely that would be able to survive for a long time under the conditions created by a moon with reduced mass.
即使有新生命出现，它们也不太可能在质量减小的月球所创造的条件下存活很长时间。
中文百科
约化质量
在牛顿力学里，约化质量（Reduced mass），也称作折合质量、减缩质量，是出现于二体问题的 「有效」惯性质量。这是一个因次为质量的物理量，使二体问题能够被变换为一体问题。
假设有两个物体，质量分别为 
与 
，环绕着两个物体的质心运行于各自的轨道。那么，等价的一体问题中，物体的质量就是约化质量 
，计算的方程序为
这结果可以很容易地证明出来．用牛顿第二定律，物体 2 施于物体 1 的作用力，
物体 1 施于物体 2 的作用力，
依据牛顿第三定律，作用力与反作用力，大小相等，方向相反：
所以，
两个物体的相对加速度为
英语百科
Reduced mass 约化质量
In physics, the reduced mass is the "effective" inertial mass appearing in the two-body problem of Newtonian mechanics. It is a quantity which allows the two-body problem to be solved as if it were a one-body problem. Note, however, that the mass determining the gravitational force is not reduced. In the computation one mass can be replaced with the reduced mass, if this is compensated by replacing the other mass with the sum of both masses. The reduced mass is frequently denoted by 
(Greek lower case mu), although the standard gravitational parameter is also denoted by (and so are a number of other physical quantities as well). It has the dimensions of mass, and SI unit kg.
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