体重指数 body mass index

著名的饱受争议的迪康减肥法

请看外电的报道：

The plan calls for high school students to be allowed to take a so-called "ideal weight" option in their final year exams, the "baccalaureat," under which they would earn extra points if they kept a body mass index (BMI) of between 18 and 25.

这项计划要求在高中毕业会考时，允许所有高中生增加一项所谓“标准体重”的选择，体重指数保持在18至25之间的学生会得到额外的分数。

文中的body mass index (BMI)就是指“身体质量指数”，简称“体重指数”，mass就是指“质量”。BMI是一个calculated value

此外，还可以依照body mass index