What's the difference between undergraduate, master and doctor?

Undergraduate, with a four-year academic system, can get a bachelor's degree after graduation.

Master, with a three-year academic system, graduated with a master's degree.

Doctor, three-year academic system, doctoral graduate, doctoral degree.

The above is the general situation, and those who continue to study for master's degree and master's degree. According to different institutions and disciplines, there are also differences in academic system, but all of them get their degrees according to the higher level. For example, it takes seven years for medical undergraduates.

Chen's Rabbit Theorem: Differences among Undergraduate Students, Master Students and Doctoral Students

Undergraduate course and previous stage. This stage is the process of learning to pick up "dead rabbits". "Rabbit" here refers to knowledge. Undergraduate and previous knowledge are knowledge discovered and repeatedly verified by others. They are fixed and stable and belong to "dead rabbits". At this stage of study and training, we just learn to find a more convenient path to get the rabbit back that died there. Doing homework, taking exams, even writing a simple graduation thesis and making a complete graduation project all belong to this category.

Master degree. At this time, you need to face a live rabbit running in the field of vision to refer to unsolved problems and unproven knowledge. Where is this rabbit? Do you need the tutor to point it out to you, or do you need the tutor and the students to determine its location together? Is it easy to grab it? Instructors also tell students the ability to aim and shoot rabbits, which is the so-called scientific research method. Master students need to kill the rabbits that are still moving according to the methods and skills learned from their tutors, and then grasp the rabbits in their hands with the methods they have mastered in the past to complete the thesis.

Doctoral stage. At this time, the rabbit is alive, but it may not be running in your field of vision, but in the forest-the instructor can confirm that there must be this rabbit, but you need to drive it out of the forest first, judge whether it is worth hunting, and then photograph it with more advanced hunting skills and hold it in your hand in the original way.

How to cook braised pork?

Undergraduates, masters and doctors write "How to cook braised pork". Undergraduate students say that adding something to the meat in the pot is not enough. How much meat to write, how much other spices, how to cook, how long to cook. After a month, the doctoral student published a book called "How to cook braised pork", and opened the catalogue, "Chapter 1, How to raise pigs".