具备物理学电声学机械学的知识.Knowledge of physics, acoustics and mechanics.摘要游泳馆的语言清晰度设计是建筑声学和电声学的综合设计.Both the architectural acoustics and electroacoustics are used in the language articulation design....
Toxic manifestation are usually associated with borate concentration in excess of 10.0 mg / 1 OOml of blood.血液中硼酸盐浓度升高与中毒现象有关.The research of borate ester surfactants is still in the initial stage.硼酸酯表面活性剂在国内外的研究都还处于起始阶段...