Simulation results show that through implementation of optimal control, the transition time and off-spec product can be reduced over 60% in the polypropylene grade transition.

仿真结果表明，通过实施优化控制，能够使产品牌号切换过程的过渡时间和过渡料数量降低60％以上。

youdao

Tony Wible, an analyst with Janney Capital Markets, said the spin-off frees Time Warner from the uncertainty of the magazine industry's digital transition.

WSJ: Time spin-off highlights risks facing magazines