分析师称，如果乔布斯不能回到公司全职工作，缺少了他这样一个苹果产品设计过程中独一无二的角色，是否还能做到这一点将被疑虑。
Yet there would be concern, analysts say, if Mr. Jobs does not return full-time to the company, given his unique role in shaping Apple's products.
第二章对并行工程的概念、产品设计的串行方式及并行方式、并行度的概念及量度方法作了深入地阐述。
Chapter two discusses the concurrent Engineering, including the concept of ce, the sequential and concurrent product design process and the concept and measurement of concurrent degree.
据此，推出具有空间曲线的异型截面构件的三维造型数学公式，可供产品设计及绘图软件二次开发使用。
And then the math formulae for three dimensional moulding of a special section member with space curves have been derived which could be used for product design and development of drawing software.
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