North Pacific Current 北太平洋洋流 ; 北太平洋流 ; 北太平洋海流 North Pacific right whale 北太平洋露脊鲸 North Pacific Shipping Line 北太平洋航线 ..
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In the Arctic, the North Pacific right whale and polar bears are probably threatened the most...
在北极，北太平洋露脊鲸和北极熊可能是最受杂交威胁的两种物种。
In the Arctic, the North Pacific right whale and polar bears are probably threatened the most by hybridization.
在北极，北太平洋露脊鲸和北极熊可能是最受杂交威胁两种物种。
Numbering well under 50, the eastern North Pacific right whale --which can reach up to 18 metres (60 feet) in length -- falls below theIUCN's threshold of likely viability as a species.
长度可达18米（60英尺）的北太平洋东部露脊鲸，数目远在50以下， 低于世界自然保护联盟作为一个可能存活物种的起码数量。
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