No, multidimansional arrays are not serialized by Unity and therefore can't viewed in the inspector.
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The only way is to use an array of a serializable class / struct which contains another array. See this [question][1] for more details. I know there are a lot better examples around, but can't find them at the moment.
[1]: http://answers.unity3d.com/questions/64479/how-to-declare-a-multidimensional-array-of-strings.html
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