从市场集中度指数可以认为我国班轮运输市场已经达到中型寡头垄断程度。
In concentration ratios Chinese liner shipping market has reached the extent of medium oligopoly.
当紫外线指数属于中度或更高时，就需要采取防晒措施。
When the UV Index is moderate or above, sun protection is required.
了解紫外线指数：当紫外线指数预报辐射级别为3(中度)或更高时。
Know the UV index: when the UV index predicts radiation levels of 3 (moderate) or above sun safety practices should be taken.
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