This is an unusual phenomenon that can be likened to the development of leukemia in humans, for example.

这种不寻常的现象可能跟诸如人类白血病等病的发生有关。

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An unusual phenomenon that haustorial mother cell invaded intercellular hypha cell in wheat stripe rust was first reported.

本文首次报道了小麦条锈菌吸器母细胞侵入胞间菌丝这一异常现象。

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It is an unusual phenomenon, a country growing old before it grows rich, and it has consequences that go beyond retirement policy.

这是一个不同寻常的现象，一个国家在变富之前已经变老，它的后果远远不限于退休政策。

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He strongly opposes the war in Iraq an unusual position for a Republican and he has become an Internet phenomenon, with thousands of followers in the blogosphere.

NPR: Paul Has Long Drawn Support from Unlikely Places