found的所有短語？

be found doing被發現正在干某事

eg：She was found playing computer games when her father entered the room. Our experiments show that this algorithm can effectively reveal new interesting page groups, which would not be found without frame filtering.

通過實驗數據對該算法進行驗證，說明Frame頁面過濾算法可以顯著地提高Web日志挖掘結果的興趣性。

4. It could be found that the higher organic carbon content, the bigger complex quantity.

原土有機碳含量高的土壤，原土復合量大。