谁能帮忙翻译一下这句话，万分感谢！

heice

The first of this principles, then, maybe called the development of a science to replace the old rule-of thumb knowledge of the workmen; that is, the knowledge which the workmen had, and which was, in many cases, quite as exact as that which is finally obtained by the management, but which the workmen nevertheless in nine hundred and ninety-nine cases out of thousand kept in their heads, and of which there was no permanent or complete record.

第一条原理可以被认为科学发展替代了有专业技能的工人； 在很多情况下，工人有的能力就是他们在管理中获得的，但是？？？？？？？？？，这些是不会永存和完整的。

lee0613

但是这种知识工人仍然千分之999的留在大脑里，不会成为长期完整的记录