Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.
在19世纪40年代的时候，寿险是非常重要的，因为当时的人均期望寿命，仅为45岁左右，这意味着双亲平均只能活到45岁。
Methods: 25 cases were diagnosed as twisted testicular appendages by Color Doppler ultrasound, average age was 8 years old, left for 15 cases, right for the 10 cases.
方法彩色多普勒超声诊断的小儿睾丸附件扭转病患者25例，平均年龄为8岁，其中左侧睾丸附件扭转为15例，右侧睾丸附件扭转为10例。
Here, it is investigated how the new method reacts to a difference in average luminance and contrast of the left and the right image, caused by a gain difference in the left and the right camera.
本文将探讨这种新方法在由左右摄像机增益差而导致立体图对亮度和反差不同时的情况。
Here, it is investigated how the new method reacts to a difference in average luminance and contrast of the left and the right image, caused by a gain difference in the left and the right camera.
本文将探讨这种新方法在由左右摄像机增益差而导致立体图对亮度和反差不同时的情况。
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