The scientists cannot explain the intriguing grooves. 科學家們還不能解釋那些令人不解的溝槽。
The isolation trench has sidewalls and upper and lower portions, and encircles an area of the semiconductor body which contains the memory cells. 隔離溝槽具有側壁及上和下部，並包圍包含存儲單元的半導體本體的區域。
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