Once the brick infills failed, the lateral strength and stiffness had to be provided by the frames alone, which then experienced significant inelasticity in the critical regions.

一旦砖块缝隙填料缺失，其侧向强度与刚性只能转由框架单独提供，致使临界位置严重丧失弹性。

youdao

So far, the company, which employs some 40 people, has produced about 500 hand-made bamboo frames, but this year alone it expects to crank out another 450.

CNN: Made in Africa: Bamboo bikes put Zambian business on right track

The dangers that journalists and cameramen faced covering these two weeks alone are vividly described by Mark Devenport in his memoir, Flash Frames.

BBC: Northern Ireland