balance ann平衡臂balancen.平衡；天平；平静；结余；差额；调和；制衡vt.权衡；使平衡；抵消；称重量vi.均衡；建立平衡balanced armature type relay平衡衔铁继电器balance of income and outlay收支平衡balanced budget muhiplicator平衡预算乘数balanced double heterozygote平衡二重杂合体, 平衡二重杂合子, 平衡二重异型接合体, 平衡二重异型接合子balanced photoelectric mixer平衡光电混合器balanced temperature control温差平衡控制balance estate of the system系统的平衡态balance of humans and rivers人水和谐balance of births and deaths出生和死亡的差额balance of radium and uranium镭铀平衡