Tissue engineering has long held promise for building new organs to replace damaged livers, blood vessels and other body parts.

组织工程学长期以来希望能构建新的器官以取代损坏的肝脏、血管以及其他人体器官。

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Their engineering arm, known as Ghorb, has been granted juicy slices of big state projects, including the building of gas pipelines and a new section of the Tehran metro.

他们控制的名为Ghorb的工程支臂也被授予了一些报酬颇丰的大型国家工程，其中包括了天然气管道的建设与一个新的德黑兰地下铁道的建设。

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Concrete-filled steel tube, as a new type of composite building material, has been widely used in civil engineering in recent years.

钢管混凝土，作为一种新的复合建筑材料，近些年来在土木工程中得到了广泛的应用。

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There are bottlenecks in permitting, engineering, financing and building a new plant and then tying it to the electricity network.

WSJ: Review & Outlook: If the Lights Go Out

Houzz, which has about 60 employees, is focusing with the new funding on building out its team in engineering and product development.

FORBES: Home Remodeling Site Houzz Lands $35 Million Led By NEA, GGV Capital

The current environmental crisis poses new challenges to the building and construction industry, in areas where engineering can provide innovative alternatives such as energy-neutral housing and energy efficiency, construction materials and practices, recycling and reuse of materials.

UNESCO: Director General addresses the World Engineering Forum | United Nations Educational, Scientific and Cultural Organization