The influence of load hoisting acceleration on dynamic forces is obvious, especially on dynamic bending moment of the main boom.

结论吊重起升加速度对起重机动载荷的影响较大，特别对主臂内的动弯矩的激励更加明显。

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Europeans, with their confidence returning, went forth, multiplied and buried many a hatchet. Rising fertility and Europe's integration became the main motors of the continent's economic boom.

重新找回自信的欧洲人又迈开步子、不断向前，与美国重修旧好。增长的人口和欧洲一体化成了这块大陆经济繁荣的主要动力。

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Economists are interested in studying the borrowing response of households to rising house prices and increasing home equity during the recent house price boom for two main reasons.

FORBES: Home Equity Extraction: Where Did All The Money Go?

While six of Australia's top ten export markets are already in recession, the chief impact has come from the slowdown in one that is not: China, its biggest trading partner, and the main driver of a minerals boom that has fed fat company-tax revenues.

ECONOMIST: Kevin Rudd shops for a recovery

Energy and durability are the two main focuses of the green building boom.

FORBES: Off-The-Grid Mansions