BSI

例句：

1. 1. BS1 is a common abbreviation for "British Standards Institution."
   BS1是“英国标准协会”的常见缩写。
2. 2. BS1588 is the international standard for electrical safety in buildings.
   BS1588是建筑电气安全的国际标准。
3. 3. The BS1 standard specifies the dimensions and weight limits for bicycle frames.
   BS1标准规定了自行车框架的尺寸和重量限制。