The dielectric tunable behaviors of BTS are consistent with Devonshire phenomenological theory.研究发现,BTS材料 介电可调行为和Devonshire唯象理论吻合很好.Alexandrite laser is one of the superior tunable solid - lasers.紫翠宝石激光器是迄今为止较好的固体可调谐激光器之...
由于降水不慎,可能产生流砂,导致基坑失稳.Improper precipation may cause quicksand and result in foundation pit unsteadiness.摘要深基坑开挖中的降水会引起周围土体沉降.Dewatering in deep excavation will cause settlement of surrounding soils.船坞开挖属深基坑开挖,是危险性较大的分项工程...