It analyses the concepts and ranges of the principal part and criminal written deposition, especially the meaning to court trial. 该部分首先对刑事书面证言的陈述主体&刑事证人和刑事书面证言本身的概念和范围分别进行了比较分析和界定,并明确指出本文对刑事书面证言的研究着眼于其对刑事庭审的意义。
Principal Axis Design of JK Type Mineral Well Lift Machine and Trial of Improvement JK-型矿井提升机主轴设计及改进的尝试