In my opinion, it is an urgent task to reduce the frequency of traffic jams.

我认为，努力降低堵车发生的频率是我们的一项紧急任务。

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Analysis: Review activity for frequency (the rate of mentions), the state of sentiment allocation, traffic, as well as the size of connections (friends, followers, fans, etc.).

分析：积极回顾活动频率(被提及的比率)，情感分配结构，浏览量，以及链接的规模(朋友，追随者，粉丝等)。

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With the increase of the vehicle amount, traffic accident occurrence frequency in China has risen.

随着汽车总量的增长，我国已成为交通事故发生频率最高的国家之一。

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Given the frequency and volume of traffic that sports stadiums generate, if teams and owners back best practices, that should lead to significant progress in many cities.

FORBES: The Green League: CSR Hits Pro Sports

Europe's business market is more limited, too: Fewer routes have enough traffic to sustain the frequency of low-cost departures that could attract business passengers.

FORBES: Magazine Article

For decades, controllers relied on position reports over high-frequency radio every hour or so, competing for air time with fishing vessels and all kinds of other traffic.

WSJ: How New Air-Traffic Control Systems Operate Over Oceans