project variation的用法和样例：
例句
- Project change is the key factor of affecting the municipal engineering construction project cost.
工程变更是影响市政工程建设项目造价的关键因素。 - In order to overcome the influence of variation to the project goal, many people carried on to the variation control thoroughly, proposed many control measures.
为了克服工程变更对项目目标的影响，业内人士对工程变更控制进行了深入地研究，提出了许多控制措施。
