In March 2020, the Office of the China Association for Science and Technology (CASF) issued the requirements of the “Notice of the Office of CASF Collecting Major Scientific Issues and Technical Problems 2020” (No. 18  CASF). After collection, preliminary examination, expert evaluation and selection, five technical problems and three major scientific issues were finally selected and submitted to CASF. All these 8 issues and problems are in the primary selection system of CASF, and the online primary voting session has been officially launched. We specially organize members and individuals to vote online. Welcome scientific and technological workers in the field of navigation to cast your precious vote!
Voting time: from now to May 15. (only one vote per phone number)