An unclear part in a sentence from a IELTS reading test.
Thanks inadvance to everyone who can help me : ), so below is the sentence I'm talking about.

''That understanding took the later analysis of bio-mechanics, who put their minds to comprehending something that was too complex and unorthodox ever to have been invented through their own mathematical simulation.''

The problem is I can not understand how the part behind 'unorthodox ever' is connected logically and grammtically in this sentence. Some friends of mine said it is a simple ''TOO...TO...'' structure, namely ''TOO complex and unorthodox ever TO HAVE BEEN invented'', but I feel ''TOO complex and unorthodox ever TO BE INVENTED'' sounds more natrually to me, the ''TO HAVE BEEN'' is just kinda bizarre to me.

Thus I made examples 1. and 2.:

1. The fog was too thick to be seen through.
2. The fog was too thick to have been seen through.

Does this difference generate any nuances? or the example 2 is completely wrong?

Im looking forward to getting ur answer! Thx again!

Question

An unclear part in a sentence from a IELTS reading test.
Thanks inadvance to everyone who can help me : ), so below is the sentence I'm talking about.

''That understanding took the later analysis of bio-mechanics, who put their minds to comprehending something that was too complex and unorthodox ever to have been invented through their own mathematical simulation.''

The problem is I can not understand how the part behind 'unorthodox ever' is connected logically and grammtically in this sentence. Some friends of mine said it is a simple ''TOO...TO...'' structure, namely ''TOO complex and unorthodox ever TO HAVE BEEN invented'', but I feel ''TOO complex and unorthodox ever TO BE INVENTED'' sounds more natrually to me, the ''TO HAVE BEEN'' is just kinda bizarre to me.

Thus I made examples 1. and 2.:

1. The fog was too thick to be seen through.
2. The fog was too thick to have been seen through.

Does this difference generate any nuances? or the example 2 is completely wrong?

Im looking forward to getting ur answer! Thx again!

Answer

Don't worry about the TOO .. TO .. structure since it could be used with several forms: too beautiful TO LIVE, too ugly TO BE COMING to my party, too stupid TO HAVE BEEN BORN.

TO HAVE BEEN INVENTED is the present perfect passive infinitive form.  EVER is connected to the verb form, not the adjective.The use of EVER with the present perfect is common especially when thinking about past events that have results in the present.  
This form was used to show that whatever the people are talking about it has already been invented at some point in the past.  However, the invention could not have happened just by using math.  Since I didn't read the whole paper, I'm not sure but I think it means that the inventors also had to use bio-mechanics.

Your example sentences are both correct.  The first example is just about the past.  However, the second one implies some connection to the present or a result in the present.

Answer

Yes, that exactly belongs to the structure of the " too +adj +to +do \ to be done.  
the 1 and the 2 both have same meaning, but the 2 focuses on the completed action of someone's seeing sth.

(the Chinese version of the original) 
许多生物学机械大师们后来对这种"理解"进行了分析，他们全心投入到综合理解的这种事情太复杂和太怪异了，以致于通过他们自己的数学模拟运算怎么也算不出这种"结果"。

Answer

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Answer

为了理解 something that was too complex and unorthodox ever to have been invented ，我一个举简单例子(too …to 结构中的后面 to do 的逻辑主语与句子主语不一致的情况):
the stone is too heavy for the boy to raise it ，意思是，那个石头太重了以致于那个男孩举不起来。假如把它变成被动语态也就是省略动作执行者"the boy",那么就是:
the stone is too heavy to be raised (by the  boy)
因此理解方式是:
something that was too complex and unorthodox ever to have been invented =

the thing  was too complex and unorthodox for the mechanics to have  invented (这种事情太复杂和太不符合常规了以致于机修工们不能发明"捏造"出来。=

the thing was too complex and unorthodox ever to have been invented (现在完成时态的被动语态) (by the mechanics).
希望你肯定明白。
Glad to have helped you .
Glad to help you.
=
I AM Glad for me to help you, 但是这种结构显然啰嗦,不定式to help 的逻辑主语与句子中的主句'I' 一致，于是:
glad to help you，但是不一致时，当然可以写成:
 Glad to be helped(我很高兴被帮助).
=I am glad to be helped by you(很高兴被你帮助)