2009年，国家地理研究员泽布·霍根和一位捕鱼向导在西班牙的埃布罗河托着一条135磅重、83英寸长的六须巨鲇（学名：Silurus glanis）。
Hogan and a wels catfish (Silurus glanis) take a swim in Spain's Ebro River, 2009.
该设备，重2磅，配有7英寸屏幕，不带光驱和硬盘，而且所占空间只有如今标准笔记本电脑的一半。
The two-pound device had a seven-inch screen, no optical drive or hard drive, and occupied half the space of a typical notebook computer of the day.
在图1中，if - then规则将重量在1到5磅之间且体积小于9立方英寸的包裹的运输和处理费用指定为5。
In Figure 1, an if-then rule assigns a shipping and handling charge of 5 for packages that weigh between one and five pounds and have volume less than nine cubic feet.
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