它的实质是以轨道要素的平均变化率为基础的微分方程，而方程的右端包含定积分。
The essence of this method is a group of differential equations based on the average change rate of orbit elements, and the right sides of these equations contain definite integrals.
结果：缺损面积在心动周期的收缩变化显著，变化率从15.2%到76。 9%，平均变化率为49。 0%。
Results: Defect area changed significantly through the cardiac cycle, mean change 49.0%, range from 15.2% to 76.9%.
通过衡量“冷静”程度，“微博客宇宙”可以根据某天的冷静值预测三天后的道琼斯工业平均指数的变化方向，其准确率达到了86.7%。
Measuring how calm the Twitterverse is on a given day can foretell the direction of changes to the Dow Jones Industrial Average three days later with an accuracy of 86.7 percent.
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