Suddenly, they an approaching Imperial Japanese Army ( IJA ) force .

突然, 他们发现 敌情.一支优势日军正向他们逼近.

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The highest level is observation deck in order to understand the enemy.

最高层处设有了望台,以便了解敌情.

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Several sightings of enemy troops were reported.

报告称发现了几次敌情.

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But in the War of Against Japan, a different enemy, a shift back to guerrilla warfare.

但在抗日战争期间, 根据敌情的变化, 这种带游击性的运动战又基本上转变为游击战争.

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