The utility model relates to a large-deformation layer tunnel primary support structure, belonging to the railway tunnel primary support structure technical field.

本实用新型属于铁路隧道初期支护结构领域，涉及大变形地层隧道初 期支护结构。

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One technology highlighted by NASA is solid freeform fabrication, a process that could be used to support fabrication and repair of large space structures, spacecraft primary structure and replacement components.

MSN: Future astronauts may rely on made-in-space parts

They have a primary and a secondary containment structure, both made from thick reinforced concrete, to protect against the release of radioactive materials.

FORBES: Explainer: What Caused The Incident At Fukushima-Daiichi

Also today, Trius Therapeutics (TSRX) said a phase 3 trial of its tedizolid phosphate treatment for bacterial skin and skin structure infections met its primary endpoint.

FORBES: Pharma News: PDL, Trius, Alexza