The author, with his practice in his long working time , discover some blemish in the traditional way of analysis on arch supporting force of tunnel with circular arch section.

笔者在长期的工程实践中发现，传统的圆拱状断面隧道承压能力分析方法有一定的缺陷，圆拱状断面隧道拱壁支承力的传递有一定的规律可循。

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The results suggested that people do act differently if they think they are working with a group for a short period of time instead of a long period.

VOA: special.2009.03.03

By the time Bush asked me to be his WHCF in early 2006, I had already long experience working for the president.

当布什让我做办公室主任时,也就是2006年初，我已经有很长的时间,和他一起工作了。

普林斯顿公开课 - 国际座谈会课程节选

And yeah, it takes a long time to get good at it. A lot of fitness, too. A lot of working out.

要想划得熟练需要时间。体能也要好。再加上大量的锻炼。

MIT赛艇选手 - SpeakingMax英语口语达人

Though their busy schedules dictated that they were playing only their second gig as a quartet, they played together with the instinct of a long-time working group.

NPR: Newport Jazz 2008: The Monterey Quartet

Many have been there for a long time, working together for as much as 15 years.

FORBES: Apple Goal With iPhone Was To 'Wow The World,' Not Be 'Ripped Off' By Samsung

Pain usually came only after wearing heels for a long time or working out but not on a daily basis, says Ms. Ngo, an auditor.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions