You will hear a lecture. After listening to the lecture, in 10 seconds, please speak into the microphone and retell what you have just heard from the lecture in your own words. You will have 40 seconds to give your response.
The lecture is about how to use dimension to specify position. According to the lecture, longitude can be used to describe the position near the equator. Two dimensions contain two variables including longitude and latitude, which are used to describe locations on earth. Three dimensions contain 3 variables including longitude, latitude, and altitude, which are used to describe locations over the surface. Four dimensions are used to locate the space.
