But as civil engineering structures are often particular and bulky, and relevant damage can be local and mild, damage detection within civil structures is always both difficult and challenging.

但由于土木工程结构个性化强、体积大，其损伤具有局部和微小等特点，导致土木工程结构的损伤识别更为困难、也更具挑战性。

youdao

But as civil engineering structures are often particular and bulky, and relevant damage can be local and mild, damage detection within civil structures is always both difficult and challenging.

但由于土木工程结构个性化强、体积大，其损伤具有局部和微小等特点，导致土木工程结构的损伤识别更为困难、也更具挑战性。

youdao