【单选题】He reaps a $ 2,000 _____ for winning the design competition.
【简答题】Match the equipment (1-5) to the definitions (A-E)
【判断题】带电粒子在均匀磁场中做匀速圆周运动时,其周期取决于带电粒子的速率、荷质比以及磁感应强度的大小。
【简答题】Match the equipment to the definitions.
【判断题】过渡过程和品质指标中最大偏差应是越大控制质量越好。
【判断题】带电粒子在均匀磁场中做匀速圆周运动时,其周期取决于带电粒子的速率、荷质比以及磁感应强度的大小。
【单选题】He reaps a $2,000 ______ for winning the design competion.
【多选题】带电粒子在均匀磁场中做圆周运动的周期与哪些因素有关?
【简答题】Match the equipment and their definitions 匹配下列仪器和其定义。
【简答题】Match the following English sentences with the equipment Chinese.