我们知道，如果我们能在产品设计的早期发现缺陷，我们就能节省大量的时间和资源。
If we could find defects at this early stage of product design, we knew we would save huge amounts of time and resources.
然而，如果这种警告出现的太频繁，那么意味着产品设计上的缺陷。
If alerts appear frequently, however, it may mean that the product has some design flaws.
在简述了汽车模块化技术的基础上，以模块化产品设计的原理，就公交车车门开关存在的缺陷进行模块化的设计。
This article introduces the auto modular technology, then makes modular design according to the principle of modular product design and the characteristics of bus door switch.
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