| 释义 |
- 住院天数：住院天数（LOS）是指一次住院期间的持续时间。住院天数是通过从入院日减去出院日计算得出的。
1 ?住院天数 ... 两代相隔期间 Length of generation 住院天数 Length of stays 持续期间偏差抽样 Length-biased sampling ...
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So, even if the speed is constant, that means, even if a length of the velocity vector stays the same, the velocity vector can still rotate. 因此即使速率不变，也就是说速度矢量的的大小不变，但它的方向可以做旋转。 - 2
One is I keep a constant, and then of course b will have to change because if this width stays the same, then when I change theta, the height increases, and then this side length increases. 一个是我保持a恒定,那么当然b就会变化，因为这个宽是不变的。,那么当改变θ角时，高度增加了，从而这条边的长度增加了。 - 3
The Centre for Mental health found that one such initiative in Birmingham reduced the length of hospital stays and the number of readmissions and improved the health and well-being of patients. 心理健康中心发现，伯明翰的一项此类实验减少了病人住院时间长度和再次入院的次数，并且提高病人的健康和幸福感。
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