例句與造句

1. ( 6 ) the ambiguity and uncertainty of reservoir actual structure and fluid flow mechanics make it difficult for conventional modeling and algorithms to describe and solve
   ( 6 )實(shí)際油藏構(gòu)造和流動(dòng)機(jī)理的模糊性和不確定性，使得傳統(tǒng)的模型和算法無(wú)法或者很難描述和求解。
2. It's difficult to find fluid flow mechanics in a sentence. 用fluid flow mechanics造句挺難的