为了保证观测结果的可靠性，必须对其进行精确观测。

Besides, the reliability of observed results is subject to the precision of observation.

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在电磁场观测中噪声的存在将引起阻抗的严重畸变，干扰了解释的正确性、精确性和可靠性。

In measuring magnetic and electric field, noise will make impedance severely biases and affect correctness, accuracy and reliability of explanation.

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此模型来源于实际观测数据，可靠性高，能够更有效的判别锅炉炉膛结渣特性。

Owing to coming from the observation data directly, it has a high reliability and can improve the judgement.

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