搜索引擎已成为人们查阅资料的重要工具。通过搜索引擎可以看到有关热点、焦点术语的使用量。用Google搜索引擎中的学术搜索对我国中学生物学、化学、物理教学研究中一些重要术语出现次数进行的统计调查表明:在这三科的教学研究中,它们之间的相关程度非常高。同时也发现,它们在研究的数量上和类型上存在着一定的差异。 Search engines have become an important tool for people to access information. Through the search engine you can see the hot spots, the use of focus terms. A statistical survey of the number of occurrences of some important terms in the teaching of biology, chemistry and physics in middle schools in China by using academic search in the Google search engine shows that there is a very high degree of correlation among the three subjects in teaching and research. At the same time, they also find that there are some differences in the quantity and type of research.