The paper has summarized the compaction technology to harshmixture and weak mixture.
分析总结了干硬性沥青混合料和软弱性沥青混合料的形成原因和压实工艺。
2
The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero, then exposing it to harsh ultraviolet radiation.
科学家模拟太空环境，首先将混合物降温，直到接近绝对零度后，以强烈的紫外线照射混合物。
3
The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero then exposing it to harsh ultraviolet radiation.