Total import and export volume grew by an average annual rate of 15.9%, and the structure of imports and exports constantly improved.
进出口总额年均增长15.9%，结构不断优化。
Pollution loading of dissolved N and P in ChaoHu lake watershed could be evaluated through export model of N and P after annual runoff volume was work out according to SCS model.
流域溶解态N、P污染负荷估算是由SCS模型得到流域年径流量，然后由溶解态N、P输出模型计算得出。
Because of our high quality products, reasonable price and timely delivery, our products sell well in Japan, American, Canada, Spain etc. the annual export volume is over 5 million USD.
我们产品质量可靠，价格合理，畅销日本，美国，加拿大，西班牙等国家和地区，年出口额超500万美元以上。
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