在一定程度上，我们所看到的一种自然现象拉尼娜的结果。拉尼娜是一种周期性的事件，期间赤道太平洋海水的温度比平常要低。
To some extent we're seeing the results of a natural phenomenon, La Nina - a periodic event in which water in the equatorial Pacific becomes cooler than normal.
在某种程度上我们看到了自然现象的恶果，拉尼娜现象是一个周期性的现象，它是由于赤道附近太平洋海水变得比平时更加寒冷造成的。
To some extent we’re seeing the results of a natural phenomenon, La Niña — a periodic event in which water in the equatorial Pacific becomes cooler than normal.
应用拉格朗日方程求解椭圆摆的周期，比用牛顿力学的方法简明方便。
It is more conciseness and convenience to solve the period of elliptical pendulum by using Lagrange equation than using Newtonian mechanics.
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