接着Bethe-Bloch公式往下写。 Bethe-Bloch给出了入射粒子的平均能量损失率公式 -dE/dx,又称为“组织本领”(stopping power, S),或简称为“能量损失”或“能损”。 The linear stopping power, −dE/dx, is energy loss of a part…
1、案例1:
select * from( select aa2.workorder,aa2.*,bb.* from (select distinct t.workorder,t.client,t.product_type,t.batch_qty from table t )aa2 right join (select t.workorder,count(t.workorder) as qianshuliang from table t group by t.worko…