【判断题】质子在加速器中被加速,当其动能为静止能量的3倍时,其质量为静止质量的9倍。
【单选题】质子在加速器中被加速,当其动能为静止能量的 4 倍时,其质量为静止质量的
【简答题】______ is used to reminder the relative workers of the items for attention when they load, unload, carry and store the goods.
【单选题】质子在加速器中被加速,当其动能为静止能量的3倍时,其质量为静止质量的( )倍
【简答题】______ is used to remind the relative workers of the items for attention when they load, unload, carry and store the goods.
【简答题】When workers are organized in trade unions, employers ______________________(发现很难解雇他们).
【判断题】质子在加速器中被加速,当其动能为静止能量的3倍时,其质量为静止质量的4倍。
【单选题】质子在加速器中被加速,当其动能为静止能量的 2 倍时,其质量为静止质量的几倍?
【单选题】In the factory, when the machines are painted orange, the workers will work __