The Track Safety Standards (49 CFR Part 213) specify requirements for nine classes of track based on maximum allowable speed.

《轨道安全标准》（《联邦法典》第14卷第213部分）根据最大容许速度，就九个等级的铁轨明确了要求。

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The customer can't specify requirements up front and then disappear, counting on plausible deniability to cover for himself if the software ends up a bomb.

客户不能预先说明需求后就离开，若软件失败则依靠难以自圆其说的推诿伎俩来为自己掩护。

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If the relevant provisions of the State or the bid invitation documents specify requirements as to bidder qualifications, the bidders shall possess the required qualifications.

国家有关规定对投标人资格条件或者招标文件对投标人资格条件有规定的，投标人应当具备规定的资格条件。

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Specify requirements for environment, data, resources and tools and interpret, execute and document test scripts using agreed methods and standards.

UNESCO: Vacancy : Software Developer (28/11/2011) 1CAUIS0997ST & 1CAUIS0998ST - (P1P2)

As such, the managers need to fill out online forms that specify job requirements and request advertising and search support.

FORBES: What Happened to Human Resources?

Although Microsoft will only provide the software for the phones, it will specify certain hardware requirements to manufacturers.

BBC: Microsoft launches Windows Phone 7 Series for mobiles