【单选题】在依据风险产生的行为划分的风险种类中,非个人行为引起的风险被称为( )
【单选题】In urban planning, it is important to take into consideration the ________ influence between the transportation network and other facilities, for example shopping centers and medical centers.
【单选题】In general, _____ is suitable for delivering small quantifies at high pressure.
【单选题】拉伸实验时,试样拉断前所能承受的最大应力称为材料的 。