The time period covers 1989 to 2007, and the countries include - there are fourteen countries, just about every country for which we could collect the data included in the study: Those which were predominantly Muslim countries.

VOA: standard.2010.08.05

We could just collect a bunch of data. For a material .What's the volume it occupies at some pressure and temperature?

对一种物质我们可以得到一系列测量数据,在给定的温度和气压下,它的体积是什么？

麻省理工公开课 - 热力学与动力学课程节选