The cost of re-doing an aluminum fuselage design that is already complete, using another material set makes it pretty much prohibitive.

成本重新做一个铝合金机身设计已经完成，使用另一种物质设置使得它非常令人望而却步。

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To get the full advantage of composites we really have to create the airplane design from the beginning with the composite "material set" in mind.

得到充分利用复合材料的，我们真的要制造飞机的设计从一开始就与综合相结合的“物质一套”的理念。

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"Origami engineers" build a variety of objects by folding sheets of rigid material along set creases.

“折纸工程师”通过沿着固定的折痕折叠刚性材料薄片来构建各种各样的物体。

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To make that genome, the researchers replaced all the natural genetic material in a bacterial cell with a synthetic set of genes.

VOA: special.2010.07.20

You've probably already noticed that there's some material that's set aside from the text in boxes, and I encourage you to particularly look at those boxes for this chapter.

你们可能已经注意到,在正文旁边的方框里有一些材料,我希望你们仔细看看方框中的内容

耶鲁公开课 - 生物医学工程探索课程节选

You can go to any one of these times more comfortable, less comfortable, somewhere in between, and the focus of these sections will be on the material cover this week as well as potentially the start of next week and with a focus on problem set 1, which is the second problem set, 0 index which will go out via PDF this weekend.

只要你乐意，上哪堂课都可以，这些课程不仅覆盖了本周的学习内容,也可能囊括了,下周要学习的知识,请大家把注意力集中到我们的第二本习题集--习题集1上，这周末会以PDF格式发布出来。

哈佛公开课 - 计算机科学课程节选

In whatever era the material is set, Shakespeare is work that's not accessible to all actors.

CNN: Flockhart in her element: slap-happy with the Bard

Also in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly, in all material respects the information set forth therein.

FORBES: Ernst & Young's Liability For Lehman Larger Than Claimed

Fleetwood Mac are set to perform new material on their forthcoming world tour, Mick Fleetwood has revealed.

BBC: Fleetwood Mac 'to perform new music' on tour