1.
Start secondary education in seventh grade and end it after tenth.
中等教育从7年级开始，在10年级之后结束。
2.
Research on the Transition from Arithmetic to Algebra;
7年级学生从算术向代数过渡的研究
3.
The Research on Developing the Learners English Reading Cognitive Strategies in Grade 7;
7年级学习者英语阅读认知策略培养的研究
4.
A Survey and Research on Chinese 5th、6th and 7th Students;
对我国5、6、7年级学生数感现状的调查研究
5.
a dynamic course designed to strengthen and reinforce arithmetic for seventh graders
一门动态的课程用于加强和巩固7年级学生的算术能力
6.
THE EARTHQUAKE OF M=4.6 ON DEC. 7, 1984 IN MANPO, TIANZHU
1984年12月7日天祝幔坡4.6级地震
7.
Adaptability Study of the Multiple Achievement Tests on 7～9 Grades;
7～9年级多重成就测验的适应性研究
8.
Primary Construction of Mathematics Achievement Tests for 7～9 Grades;
7～9年级数学成就测验的初步编制
9.
Primary Construction of Chinese Achievement Test for 7～9 Grades;
7～9年级语文成就测验的初步编制
10.
The Comparitive Research on the Two Editions of "Science (Grade7-8)";
对《科学》(7-8年级)两种版本教材的比较
11.
Introduction to mathematics (Grade 7～9,New Century edition);
新世纪(版)数学(7～9年级)教材介绍
12.
The Study on Scientization and Orderliness in the Composition Teaching for 7-9 Grades
7-9年级作文教学科学有序化研究
13.
QUESTION THE VALIDITY OF THE TWO 7. 0 LARGE EARTHQUAKES OF 1882,1889 IN XINJIANG
对新疆1882年和1889年两次7级大震的质疑
14.
STUDY OF THE SEISMIC STRUCTURE[M_L = 7(3/4), 1947]WITH REMOTE SENSING METHOD IN DARI QINGHAI
青海达日1947年7(3/4)级地震构造的遥感研究
15.
A Study on the Development and Teaching of 7～(th)-9～(th) Grader's Geometry Reasoning Ability;
7-9年级学生几何推理能力发展及其教学研究
16.
The Research of School-Based Science Curriculum (7-9 Grade) Development Based on Science and Technology Museum;
基于科技馆的校本科学课程（7-9年级）开发研究
17.
Analyzing Different Cultures Types in Experimental Chinese Textbooks of People s Education Press;
人教社实验语文教材（7-9年级）文化类型透析
18.
Research on the Construction of Geography Curriculum Resources Library for Compulsory Education Grade 7 to 9;
义务教育7～9年级地理课程资源库建设研究