最后通过案例分析进一步阐释R & D升级投资的投资决策.用英语怎么说？

最后通过案例分析进一步阐释R & D升级投资的投资决策.

The thesis explains investment decision of R & D upgrading through case analysis finally.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

thesis

n. 论文，毕业论文，论点，论题，命题；

例句
At first, the thesis describes the fluid and acentric narrative mode.
首先, 文章阐述的是流动性、去中心的叙事方式.

explains

v. 讲解，解释( explain的第三人称单数 )，说明…的原因，辩解，说明，解释，辩解；

例句
...the ease and clarity with which the author explains difficult technical and scientific subjects.
作者解释复杂的科技主题时的游刃有余、清晰透彻

investment

n. 投资，投资额，封锁，（时间、精力的）投入，值得买的东西；

例句
President Mwinyi said his country would also like to attract investment from private companies...
姆维尼总统说他的国家同样愿意吸收来自私营公司的投资。

decision

n. 决定，果断，决议，（法院的）判决；vt. [口语][拳击]靠判定击败（对手）；

例句
The decision was made to abort the mission...
决定中止这项任务。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

upgrading

n. 浓缩；v. 提升( upgrade的现在分词 )，使（机器、计算机系统等）升级，提高（设施、服务等的）档次，提高（飞机乘客、旅馆住客等）的待遇；

例句
Many people are upgrading their mobiles to top-end models.
很多人不断将手机升级到最高档的款式。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

case

n. （实）例，事例，情况，状况，诉讼（事件），案件，判例，容器（箱，盒）；vt. 把…装入箱（或盒等）内，加盖于，包围，围住，[俚语]（尤指盗窃前）探察，侦查，窥测；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

analysis

n. 分析，分解，梗概，要略，[数]解析，验定；

例句
We did an analysis of the way that government money has been spent in the past.
我们分析了政府资金过去的使用情况。

finally

adv. 最后，终于，总算，末后，结果；

例句
...until the great day came when the Germans could finally settle accounts with the British...
直到德国人最终能和英国人清算旧账的重大日子的来临