In data centers, fiber is used where high bandwidth, interference resistance, and long distance are required characteristics.

在数据中心内部，光纤用于必须具备如下特性的场合：高带宽、抗干扰、远距离传输。

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The new bainitic steel formation and its required characteristics were obtained directly in the casting phase without any heat treatment, by the way of alloying and controlled cooling.

该铸态贝氏体钢通过合金化和控制冷却速度的方法，不需热处理而在铸态下直接得到贝氏体组织和所需性能。

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Choose an attribute which contains strings adhering to the required characteristics from the drop-down, mind that the attribute specified here determines what the user has to type in for login.

从下拉列表中选择包含所需信息的属性，这里指定的属性决定用户在登录时必须输入什么。

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But while DARPA's "Terminator 2"-style morphing military robots may still be a long way off, many scientists are already working on robots that exhibit some of the characteristics required.

CNN: Robotics discovers its soft side

U.S. military planners spent the next 50 years revising and refining the requirements of deterrence, spelling out in great detail the performance characteristics required of U.S. nuclear forces to assure they were both survivable and credible.

FORBES: Nuclear Paradox: Shrinking U.S. Arsenal Requires Huge New Expenditures

Absent from this definition are any of the characteristics previously required for a Native American tribe to be recognized as such.

CENTERFORSECURITYPOLICY: The undoing of America?