"Launching radioactive material through the Earth's atmosphere brings safety concerns. You have to have a special license to do that, but it is not insurmountable," says Dr Simeon Barber, planetary science specialist at the Open University.
这是履职尽责的价值导向：“多打大算盘、算大账，少打小算盘、算小账”“实际上就是要处理好大我和小我的关系，长远利益、根本利益和个人抱负、个人利益的关系”。
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