A.money
B.check
C.capital
D.card
计算下列衰变所释放的能量
已知ma=939.6MeV/c2,mp=938.3MeV/c2,me=0.511MeV/c2,mv=0。
A.horrified
B.terror-struck
C.terrorized
D.terrified
A.It’s time to ask the audience for questions
B.We’ve covered quite a bit in this conversation
C.That’s all
D.Thank you for taking the time to talk with me
试用机动法作图4-2-10中ME、FQBL、FQBR的影响线注意:
(1)δZ是广义位移,必须与撤去的约束相应
(2)δp(x)必须符合约束条件.
A.superior
B.inferior
C.prior
D.particular