Without better protection, GPS will likely remain vulnerable in its current form. Crucially, the signals used by GPS-based systems are very weak and therefore easy to jam. It's worth noting that militaries have access to "M-Code" GPS, is a carefully authenticated and encrypted form of the technology that is far more resistant to jamming.
Continue reading...
。关于这个话题，新收录的资料提供了深入分析
在领导重视下，王睿所在的代表工委每年向区人大常委会汇报两次建议的督办情况。“主要是为了克服实践中重答复、轻落实的弊病。”他说。
党性是党员干部立身、立业、立言、立德的基石。只有党性坚强、摒弃私心杂念，才能确保在实践中准确、自觉地运用马克思主义立场观点方法，才能保证政绩观不出偏差。本位主义、好大喜功、弄虚作假、推脱责任……几种政绩观错位的表现，说到底是认识上出现了偏差，根子在于背离了党性、丢掉了宗旨、抛弃了信念。