But this does not mean that the adjoint method can not be used to calculate the gradient.
但这并不意味着在梯度计算中不能使用伴随方法。
Twin experiments show that the adjoint method can inverse the prescribed bottom friction coefficients perfectly.
理想实验的结果表明，利用伴随法反演底摩擦系数是合理且有效的。
To carry out the data assimilation of sea temperature observations the adjoint method is applied, which can provide an accurate initial temperature field for numerical prediction.
以一维水温模型为例，利用伴随算子法进行海洋观测数据同化，以便给水温的数值预报提供一个较准确的初始场。
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