This modification is not only an optimum program but also a design for mechanical models.
这一“修改”既是数学上的优化问题又是工程设计问题。
The modification of mechanical pulp is one of effective method to further improve its quality.
机械浆改性是进一步提高机械浆质量的有效途径。
The modification of mechanical pulp is one of effective method to further improve its quality.
机械浆改性是进一步提高机械浆质量的有效途径。
应用推荐