南宋时期，川陕地区战略地位突出。
During the South Song Dynasty period, Chuanshan region had important strategy position.
彰显了当时山陕商人的身份和气派。
The style could show the identity and status of the businessmen in Shanshan that time.
川陕边区的农业收成良好。
而陕单9 号具有最强的氮再转运能力。
第四部分研究了陕鼓信息系统安全管理制度。
The fourth part has studied the Shaangu information system safety control system.
第三部分研究设计了陕鼓信息系统安全技术方案。
The third part has researched and designed the Shaangu information system safety technology programs.
第三部分研究设计了陕鼓信息系统安全技术方案。
The third part has researched and designed the Shaangu information system safety technology programs.
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