The main roof has three basic structure forms: dynamic arch, arch-beam and beam.

老顶存在三种基本结构：类拱式、拱梁式和梁式。

youdao

The famous Finnish American building designer, Eero Saarinen,designed the Gateway Arch during a national competition in the late nineteen forties.

VOA: special.2009.03.04

I am especially concerned about attendence, So if you have arch-practice these Tuesday afternoons and can't be here every week, you shouldn't take this course.

我很在意考勤，所以，如果周二下午,你有实践活动课,不能每周都出勤的话，建议你不要选这门课。

麻省理工公开课 - 电影哲学课程节选

That is a maximum If you are sharing your time and energy during this period on Tuesday afternoons, or the arch-field don't work so think carefully about that.

让大家充分发挥自己的能力,如果每周二下午这段时间,你都有时间，精力也很充沛，就可以来上这门课，不过这样你就没时间参加实践活动了,所以请仔细考虑吧。

麻省理工公开课 - 电影哲学课程节选

Arch Coal, Inc. was organized in Delaware in 1969 as Arch Mineral Corporation.

FORBES: Markel's Gayner Buys Alliance Holdings, Moody's, Norfolk Southern, Sells Sysco, Vodafone

"Arch Linux ARM is a proud contributor to the Marvell SMILE Plug, " said Kevin Mihelich, Lead Developer of Arch Linux ARM.

ENGADGET: Marvell and Stanford create SMILE Plug cloud computer, SMILE Consortium to get companies and devs to build a better education system

Red and white industrial rope light strands will grace the Canadian arch portion of the bridge, while red, white, and blue strands will grace the U.S. double-arch portion of the bridge.

FORBES: Soo Bridge Celebrates 50 Years, Ambassador Bridge Fights, and the Mighty Mac Separates