Abstract: Due to the open accessibility of wireless networks with severe privacy risks, covert communication has gained increasing attention, where the effective range is limited by the low transmit ...

1 概念区分 一维表和二维表是在Excel表格描述中出现频率相当高的词汇，因为它是Excel表格最常见的两种表现存在形式。一维表也常称为流水数据表。一般有固定的列名，通常输入数据只需要一行一行的添加即可。如下图所示： ...

Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

How do you make movies about a world you no longer live in? As artists grow older and more successful, should they be lucky enough to do both, they inevitably drift further and further away from the ...

Have you ever spent hours fine-tuning a Power Query workflow, only to have it break because a column name changed? It’s a frustratingly common scenario for anyone working with dynamic or external data ...

SAN FRANCISCO (AP) — Rafael Devers homered twice and doubled in a run on the way to five RBIs, Matt Chapman hit his 200th career home run, and the San Francisco Giants beat the Chicago Cubs 12-3 on ...

Viktor Gyokeres scored his first Arsenal goals as the Gunners thrashed Leeds United 5-0 to go top of the Premier League table on Saturday. But the mood at the Emirates was soured after both Martin ...

Abstract: With the introduction of hybrid-electric propulsion, the amount of electrical power in the next generation of aircraft dramatically increases compared to current architectures. In the ...

Florida (WFOR) — The Florida Public Service Commission will hold what could be a two-week hearing in October on a proposed base-rate settlement for Florida Power & Light. Commission Chairman Mike La ...

Vancouver, British Columbia, (August 21, 2025) — ZenaTech, Inc. (Nasdaq: ZENA) (FSE: 49Q) (BMV: ZENA) ("ZenaTech"), a business technology solution provider specializing in AI (Artificial Intelligence) ...

Google released energy and water consumption estimates for its Gemini AI apps. It is the first major tech company to publish this information. Estimates are lower than public calculations, but ...