14 pairs were recorded there in helicopter surveys in 1984,b

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14 pairs were recorded there in helicopter surveys in 1984,but only 6 birds representing at most 3 pairs were recorded 16 years later.3841 后面的representing at most 3 pairs were recorded 怎么翻译

6 birds representing at most 3 pairs
6只鸟代表了至少是3对鸟
recorded被记录下来
雌雄1对2只
大概是记录什么生态的文章

14 pairs were recorded there in helicopter surveys in 1984,b There are authorized engineering changes not yet recorded in there are 5 recorded questions in it.aftereach question,ther As is recorded in history,silkworms were first raised in(wha As is recorded in history,silkworms were first raised by a w 英语简单选择求详解As is recorded in history,silkworms were first rais As is recorded in history ,silkworm were first raised by a w How many shoes are there in fifty pairs?回答 How many shoes are there in twenty-six pairs? Work in pairs "practice in pairs"means Work in pairs.