and backboard meaning in English

所以直译过来应该是“两不沾”

The ball flew over both the hoop and backboard , and across the nearby lawn until it hit the protective net bordering the athletic grounds
我投出去的球竟直飞过篮板上方，越过草地，直到撞上运动场边界的护网才落了下来。
To improve the capability of the electric system , a three - level pwm power amplifier and backboard of the control - box is designed , which are applicable to the bearing - less slice pm motor
为了改善电气控制系统性能,设计了适用于片状无轴承永磁电机的双向三电平pwm功率放大器和控制箱转接板。