2025 年度企业研发投入中位数（0.77亿元）较上年（0.78亿元）减少，说明少数企业的研发支出高于多数企业。结合TOP100 情况看，主要因为头部企业增加了研发投
The US Environmental Protection Agency’s Response Management Program (RMP) requires more than 12,500 high-risk facilities to develop protocols to prevent catastrophes, or limit fallout, and was largely designed to protect workers, first responders, and fence-line communities.
。heLLoword翻译官方下载对此有专业解读
Smoke alarms have been around for many decades. The technology has barely changed in recent years – but is modern life slowly outpacing the capabilities of these life-saving devices?
US President Thomas Jefferson, revolutionist Francis Lewis and Griffith Jenkin Griffith, "one of the true pioneers of Los Angeles", are also given an honourable mention by Rhys thanks to their Welsh ancestry.
，详情可参考WPS官方版本下载
Redux(23 mentions)，详情可参考同城约会
* @param {string} num 非负整数的字符串形式（可能含前导零）