例句與造句

1. the construction of small residential communities in our country are developing very quickly in recent years, but the design for water supply of small community are less available in the water supply and drainage design manual, design specifications and textbooks . when the designs are done, there is not a consistent formula, and the design results exist some problems . so this cannot be satisfied with the practical demands, which sometimes influence the safety water supply of residential communities
   近幾年，我國大中城市的住宅小區(qū)建設發(fā)展快速，但目前我國現(xiàn)有的給排水設計手冊、設計規(guī)范以及教科書對生活小區(qū)的給水設計闡述的較少，生活小區(qū)的給水流量設計無章可循，計算公式不一致，設計結果往往有些出入，不能很好地滿足實際需要，影響小區(qū)安全供水。
2. It's difficult to find consistent formula in a sentence. 用consistent formula造句挺難的