2. The radar operators had to be
eternally observant, and also skilled in the vagaries of radar sets, propagation conditions, and enemy tactics.
雷达操作员必须非常机警,同时又必须熟悉雷达的古怪脾气,电波传播规律以及敌人的战术。
3. If you want to keep the value of life that the Father can guarantee
eternally, you have to study Jesus Christ's view of life centering on love.
如果你们想要保留天父可以永恒地保证的生命价值,那麽你们必须以爱为中心,来研究耶稣基督的生命观。