1.
A Study on Required Parts in Biology Instructional Design for High School Students under the Condition of New Curriculum Renovation;
新课改革条件下高中生物必修部分教学设计的研究
2.
in most schools physical education are compulsory; attendance is mandatory; required reading.
在大部分学校里体育课是必修的；出席是强制的；必修的阅读课。
3.
On the Experimental Research on the Main Part in Gymnastics as Required Course;
对体操必修课基本部分实习的实验研究
4.
Study on Expression and Communicate in High School Chinese Obligatory Textbook of the People's Education Press
人教版高中语文教科书（必修）“表达交流”部分研究
5.
Most degrees will be structured so that you must do certain courses(the core or mandatory modules)and in addition you will have to choose some option modules.
大部分学位的设置会让你必须学习某些课程（核心的或必修的），此外你还必须选择一些选修课。
6.
We have to revise the dictionary.
我们必须修订这部字典。
7.
"Thus, it is not necessary to replace all pistons when only part of the cylinders require service."
这样,当气缸仅需要部分维修时,就不必更换全部活塞。
8.
The partial replica you have chosen to modify contains data conflicts or errors. These conflicts must be resolved before you can modify the filters on the partial replica.
选定要修改的部分副本包含数据冲突或错误。修改部分副本上的筛选器之前，必须解决这些冲突。
9.
Where a law is partially amended or repealed, a new version shall be published.
法律部分条文被修改或者废止的，必须公布新的法律文本。
10.
The Comparison and Thinking in Solid Geometry Cart between the New and the Old Textbooks in Senior Maths;
高中数学人教版新旧教材立体几何部分（必修A版）的比较与思考
11.
A Study of the "Research and Pratice" in Chinese Textboods for High Schools
现行人教社高中语文教科书（必修）“研讨与练习”部分研究
12.
Comparison Study on Professional Compulsory Subjects in Manufacturing Technology among Some Main Domestic Universities
国内部分高校机械制造技术类专业必修课的比较研究
13.
Each student in the course is required to complete a semester-long research project. This section provides the three components of the project assignment.
修这门课的每位学生必须完成期末的研究计划，这项指定作业必须包含三个主要的部分。
14.
We have to get in a mechanic to repair the tractor.
我们必须请个技工来修理这部拖拉机。
15.
Great Emphasis on Understanding of Party Spirit on the Part of Party Members in Leading Group;
党员领导干部必须高度重视党性修养
16.
partial excision of lip with plastic repair
唇部分切除整形修复术
17.
crop fair and refit
部分取下修复后再装上
18.
part-time retraining course
部分时间制复修课程