According to double radius method and edge bend method, this paper introduces the design theory of roll pass with opposite direction bend in middle part for cold forming of round pipe.

本文在双半径法和边缘弯曲法的基础上，介绍了一种冷弯圆管的中部反向弯曲孔型设计理论。

youdao

Some of the stress fields obtained from earthquake mechanism according to double couple model of earthquake represent tectonic stress field, but some of them represent the transformed stress field.

每个地震按照双力偶模型所得到的震源应力场，有的反映构造应力场，有的反映转换应力场。

youdao

By 2035 health care's share of GDP will roughly double, according to McKinsey, a consultancy.

麦肯锡咨询公司估测，到2035年医疗占gdp的比重将会增加一倍。

youdao

According to the survey, double the number of people who had used illegal file-sharing sites would be prepared to pay for music compared to those that had never used such services.

BBC: Music swapping on the net rising

However, the eReader market is growing rapidly and is expected to more than double this year according to Bloomberg.com.

FORBES: Borders Has To Try Something, Even A Cheap Reader

Keyes' live-in girlfriend also was floored to learn of his double life, according to David Kanters, her friend.

WSJ: Trying to unlock secrets of dead serial killer