请帮忙翻译几个税收方面的词

1,税负tax. incidence

2,个人所得税individual income tax

3,税收杠杆tax leverage
(以上专业术语,望勿直译)

还有:
4,财税利益分配问题problem of fiscal and tax distribution

5,改革成果分享法律机制研究research of law inforcement system for the result-sharing of the reform

税负---Tax burden
个人所得税---Personal income tax
税收杠杆---Tax revenue telease lever
财税利益分配问题---Finance and taxation benefit assignment problem
改革成果分享法律机制研究---Reform achievent law mechanism research
我也不知对不对~~希望能够帮到你啊~~~