demonstrating base的用法和樣例：
例句
- Our company is the largest manufacturing Base for softgels and the Quality Demonstration Base for polyunsaturated fish oil.
我們公司是中國最大的軟膠囊加工基地和多烯魚(yú)油質(zhì)量示范基地。 - The sturgeon farming base, Xianyu bay, Wafangdian City, is the first state-level introducing and popularizing centre of agricultural engineering in Dalian.
瓦房店市仙浴灣俄羅斯鱘魚(yú)人工養殖基地，系大連市第一個(gè)國家級農業(yè)引智成果推廣示范基地。
