二次张拉施工技术  Construction technology of twice tensioning

锚索二次张拉  twice tensioning of anchor rope

部分二次二阶矩法  Part Second Order and Second Moment Method

次二次条件  subquadratic condition

次二次位势  subquadratic potential

二次二阶矩  quadratic second ordered moment

二次二阶矩法  Second order second-moment method; Sorm

二次二阶矩方法  the method of quadratic and two ranks quadrature

二次拉格朗日有限元  Quadratic Lagrangian finite element

二次拉伸  succeeding stretch; Redrawing

二次拉伸辊  succeeding stretch roller

二次拉丝机  double draft bull block

逐次二次规划  sequential quadratic programming

2次张拉  secondary tension

多次张拉  repeatedly stretching

分批分次张拉成形  tensioning group by group and step by step

一次张拉到位法  method of once tensioning

一次张拉法  once-tension method

张拉次序  stretching sequence