过去三年内，世界食用蕈菌年产量每年平均增加24.5%，总增加率为72.5%。

Over the past three years, mush - room production has increased by 72.5%, with an annual increase of 24.5%.

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然而，在2年内，那些接受单侧椎板切除术或仅仅椎板切除术有背痛和囊肿复发增加一定增加率。

However, within 2 years, patients receiving hemilaminectomy or laminectomy alone have an increased incidence of back pain and cyst recurrence.

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我在那里工作了三年。那时我们的销售额增加率为每年50%。

I had been working there for three years, and during that period our sales increased by an average rate of 50% per year.

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