objective sign造句

例句与造句

1. 2 . geological observation data have the disunity and uncertainty characterastics . original data are the objective signs based on present understanding of geological phenomena
   2 、地质观测数据具有不统一性和不确定性，原始数据是人类在现有认识水平上对地质观察结果的一种客观标度。
2. It's difficult to find objective sign in a sentence. 用objective sign造句挺难的