每一门学科都有它的一套规范，这不是故弄玄虚，而是科学的需要．在物理学习中，常有一些学生不注意规范，认为是无所谓的小节问题．本文列举一些常见事例．以期引起同学们的注意．一、书写1．物理单位的国际符号是固定的．有人常把大小写槁错．如质量：正：nl误：M．2在列式计 Each discipline has its own set of norms. This is not a mystery, but a scientific need. In physics learning, there are often some students who do not pay attention to the norm and think that it is indifferent to the subsection. This article lists some common examples. In order to arouse the attention of the students. First, write 1. The international symbol of the physical unit is fixed. Some people often mistake capitalization. Such as quality: positive: nl wrong: M. 2 in column formula