If the sample isn't diluted, the salt error should be emendated.

海水样品如不稀释，应校正盐误差。

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If the equipment is "the water temperature compensation" functions and "salt compensation" function, the error is negligible.

若仪器具有“水温补偿”功能和“盐分补偿”功能，则误差可忽略不计。

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