这个地区是世界上最大的赤道雨林，除了绸缎般的无数河流穿流其间外，整个地区完全被赤道型的茂密森林所覆盖。

This region is the world's greatest equatorial rain forest. Except for the numerous rivers that run like ribbons through it the land is completely covered with a thick forest of the equatorial type.

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森林型(或丛林型)黄热病：在赤道雨林中，黄热病发生在被野外蚊虫叮咬而受感染的猴子身上。

Sylvatic (or jungle) yellow fever: in tropical rainforests, yellow fever occurs in monkeys that are infected by wild mosquitoes.

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由于地磁位型的不同，发生率的分布并不具有经度对称性，即使在磁赤道附近也如此。

Due to the magnetic effects, the occurrence rate of the instability is not symmetric in longitudes even at the magnetic equator.

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