The multiple dimension Lindstedt-Poincaré method and IHB method are used to study the nonlinear vibration of axially moving beams.

本文分别采用多元L-P法和增量谐波平衡法（IHB法）研究轴向运动梁的横向非线性振动。

youdao

The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.

本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。

youdao

The intervening match on Centre Court saw unseeded pair Britain's Jonny Marray and Denmark's Freddie Nielsen beat Sweden's Robert Lindstedt and Romania's Horia Tecau 4-6 6-4 7-6 6-7 6-3 in a thrilling men's doubles final.

CNN: SHARE THIS

Johan Brunstrom and Robert Lindstedt ensured the Swede's took the tie into Sunday with a gruelling 3-6, 6-3, 7-6 (7-4), 6-7 (3-7), 10-8 win over Janko Tipsarevic and Nenad Zimonjic after Serbia had won both of Friday's opening singles matches.

CNN: Federer loses again as Swiss crash out to U.S.