理性上的 meaning in English

philosophic philosophical

The concept was merely philosophical in the days of plato and was not generally accepted .
这种概念在柏拉图时代仅仅是理性上的，并未得到公认。
Some manufacture enterprises overseas have designed some customized design systems . the essence of these systems is to choose the product from the product database to fulfill the need of the customers . that ' s to say , the user does n ' t get involved in the design of these product , cannot see the 3d model of the product before ordering and cannot see the real result of the product this paper discusses the shortage of existing customized ordering system and explores the research of personalized design system
国内外一些制造商相继推出了一些定制系统，但这些定制系统的实质是根据用户提出的要求，从产品库中匹配出最接近用户需求的产品，从根本上来说，用户并没有真正参与产品的设计，而且系统给出的只是典型产品的模型图形，客户除对产品的功能和形状有一个理性上的认识外，不能在下订单前切实浏览自己定制的三维产品，不能看到定制产品的真实结果。