Historically, hydropower has been Chile's major power source, but hydropower is vulnerable to seasonal and climatic changes - i. e. fluctuations in rainfall quantity.
历史上，水力发电是智利主要的电力来源，但水力发电受制于季节和气候的改变，例如降雨量的波动等。
With this approach, stock market fluctuations are of little importance to us - except as they may provide buying opportunities - but business performance is of major importance.
采用这种方式，股票市场的波动对我们毫无意义，只不过有时能提供买入的机会，但是业务表现对我们极为重要。
The short-period anomalous fluctuations of observations of astronomical time and latitude before major earthquakes were discussed.
本文讨论了大地震前天文时间和纬度观测结果的短周期异常波动涨落。
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