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person:("Liu, jiang")
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person:("Liu, liang")
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person:("Liu, qian")
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person:("Liu, xiang")
Method and system for estimating a trailer position of a trailer associated with a vehicle
Dual-super satellite and load cabin and platform cabin star sensor alignment method thereof
Internal rotor magnetic suspension spherical surface gyro flywheel
Radioactive nuclide distribution drawing system and drawing method
Method for measuring sinkage of track bed and related assembly
Wireless data transmission type sea wave height measuring device and measuring method