The BEM technique for adhesive-bonded structure proves valid by comparing the stress distribution for double lap joint calculated in this paper with that calculated by finite element method.

对双搭接接头进行了边界元应力分析，并和有限元结果进行了对比，从而证实本文方法的有效性。

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This article studies the influence of the bolt tightening torque on the fretting damage of LY12CZ aluminium alloy double shear lap bolted joint by experimental and conumerical analysis.

从试验和数值分析两个方面研究了螺栓预紧力矩对LY12CZ铝合金双盖板对接螺纹联接件微动损伤的影响。

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If the napkin is large, leave it folded double in your lap; if small, unfold it completely.

餐巾如果很大，就双叠着放在腿上，如果很小，就全部打开。

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Two weeks after the team's double third-lap retirement in Malaysia, Button could not get to grips with the circuit, though he did finish one place ahead of team-mate Takuma Sato.

BBC: QUALIFYING POSITIONS

Renault's Fernando Alonso chose the same tactic a lap later and it secured the double world champion the fourth place he had held for much of the race.

BBC: Hamilton stripped of Belgian win

Double world champion Alonso looked set to top the times with an impressive lap set in the morning but the German beat him by 0.023 seconds later on.

BBC: Novice Nico Hulkenberg upstages Fernando Alonso