编辑思维偏差可分为正向思维偏差和负向思维偏差，两种思维偏差都是客观存在的和不可避免的。

The editing thought deviation, which exists objectively and unavoidably, can be divided into positive thought deviation and negative thought deviation.

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结果表明，模拟数据与实测数据偏差不大，验证了正向光线跟踪的辐射传输模拟是有效的。

The simulative data have little difference with the actually measured data which indicated that the radiation transfer model based on forward ray tracing is effective.

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