..............page:17-19+27
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..............page:77-80+84
Design of shale gas drilling wellhead flat valve
LIU Liang;JIANG Xing;LIU Min;LI Chaoming;ZHANG Tiejun;TU Mingjing;Research Institute for New Materials Technology;Chongqing University of Arts and Sciences;Chongqing Xintai Machinery Co.;Ltd;
..............page:81-84
..............page:99-103
..............page:104-106+111
..............page:107-111
..............page:112-115
Comparative analysis of temporal logic syntax and semantics
HUANG Yi;MA Xinqiang;LIU Youyuan;LUO Wancheng;Key Laboratory of Machine Vision and Intelligent Information System;Chongqing University of Arts and Sciences;School of Computer Science and Technology;Guizhou University;Guizhou Academy of Science;
..............page:116-120
..............page:121-124
..............page:125-127+133
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..............page:134-137+143
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