Common materials, techniques, and tools simplify the development of new buildings and also simplify the training of those entering the field.

平凡无奇的材料、技术和工具简化了新建筑物的建造过程，同样也简化了对新踏入此领域的人员的培训。

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Engineers have had a direct role in the creation of most of modern technology-the tools, materials, techniques, and power sources that make our lives easier.

工程师们在创造最先进的技术中扮演着直接的角色，诸如工具，材料，技术和能量来源，这些都使得我们的生活更轻松。

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An illustrated guide to stitches, fringes, and finishing techniques, plus tools and materials, offers a solid background or refresher on the basics.

这是本关于缝线，镶边以及修整技术的图示指南，附带工具和材料的介绍，为基本技术提供了坚实的背景。

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