It is exigent of researching on preservation of spatial characteristics and cultural connotation of historical districts during the course of old cities' renewal.

当代旧城更新过程中如何对传统历史街区的空间特色及文化内涵进行保护与传承是一个亟待解决的问题。

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We have recently extended our special programs for primary dealers beyond the end of the year, based on our assessment that financial conditions remain unusual and exigent.

最近，根据我们的评估，金融环境依然存在异常，形势紧急，我们提供给主要经销商的特殊程序将延长到年底。

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The programs, one of which was set to expire in September, can continue only if the Fed issues a finding that there are "unusual and exigent circumstances" that justify them.

这些计划只在美联储觉察并证明市场处于“罕见和紧迫情况”时才能得以继续，其中一个计划将于9月份到期。

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"This suggests that, generally speaking, investment in military modernization aside from specific capabilities considered exigent for party leadership continuity, national survival and defense of critical national interests remains a lower priority overall than economic development for Beijing's leadership, " they wrote.

WSJ: China's Xi Courts Military

Yet the very fact that many big businesses seem so strategically like-minded a few months ahead of a legislative drop-dead day (literally) suggests a quieter brand of leadership, one wholly appropriate to the current exigent circumstance.

FORBES: The Fiscal Cliff: Look Who's Leading Now

The Opinion notes that if the use of technology is necessary to address an imminent situation or exigent circumstances and other alternatives are not reasonably available, it may be reasonable in limited cases for an attorney to do so without taking additional precautions.

FORBES: Your Ethical And Legal Duties When Using Wireless Networks