逐年变化 meaning in English

change by years
year-to-year change

Since the world price of sugar fluctuates widely, the transfer varies from year to year .
由于国际糖价大起大落，（收入）转移额逐年变化。
Since the world price of sugar fluctuates widely , the transfer varies from year to year
由于国际糖价大起大落，（收入）转移额逐年变化。
To make the prediction values with independence of the general trend , which is changed from year to year , the load data are transformed by profiles , mean value , and variance . sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance . at a result , load forecasting for 24 hours in a day can be gotten
为使预测值不受负荷逐年变化这一趋势的影响，把负荷数据变换为特征、均值和方差的形式，利用白组织竞争网络预测负荷的特征，然后利用多层感知器网络预测负荷的日均值和方差，最终实现对一大24小时负荷的预测。