检索结果 - ((\ forests ((operation\ OR cooperation\) OR operations\ )) OR (\ forests cocooperations\ ))~

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\ forests ((operation\ OR cooperation\) OR operations\ )) OR (\ forests cocooperations\ ))~".
• Adding a wildcard symbol may retrieve word variants: ((\ forests ((operation\ OR cooperation\) OR operations\ )) OR (\ forests cocooperations\ ))*.