Experimental method is used to conduct qualitative and quantitative analysis of pattern design of the flat collar, turndown collar and revers collar, and the linear return equations are established.

采用实验测量的方法，对女装平领、连翻领、驳领结构设计进行了定性和定量的分析，得出其线性回归方程，为女装衣领结构设计的数字化提供了理论研究基础。

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There are 850 hand-sewn stitches in each collar, so it lies flat, he intones, using the jacket he was wearing as an example.

FORBES: An American original

The segment is expected to stay flat for the next eight years, while white-collar services in education, health care and employee placement are predicted to add over 7 million jobs during the same period.

FORBES: The Ten Best-Paying Blue-Collar Jobs