In the early days of the formation of human civilization, war only depends on the number of people on both sides, in short, it is a sea of people tactics. Later, in the development, people gradually created all kinds of crude weapons, and the advantages and disadvantages of weapons and the arrangement of troops on the battlefield also became the key to winning. In modern times, the wars between the two countries showed the development of national science and technology. One tank could destroy the lives of hundreds of soldiers, and these wars promoted the development of science and technology in disguise.

In the war, it is no longer just a question of numbers, but technology has become an increasingly important key. In the course of the evolution of the war, a brand-new profession-spy appeared. As early as in Zuo Zhuan, it was recorded: "The servant girl poured out spies." This is the earliest spy in China. It has a long history since the Xia Dynasty. In the wars after modern times, spies are used more and more, even in dealing with complex international relations. Although spies will not take part in direct wars, they can influence the form of wars. If they can steal the enemy's information, they can grasp the enemy's movements in advance. This is not only applicable in wartime, but also in peacetime, spies still exist in various countries.

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Peace and stability is the mainstream trend of world development, but even in such a big environment, countries' enthusiasm for the research of high-tech and even high-tech weapons has not diminished, and there are corresponding very strict confidentiality measures for their own research and development technologies. Once these technologies are leaked out, it will be an immeasurable loss to this country. So spies have a new role. It's time to show their ability to steal advanced technology and state secrets from other countries. At Pudong Airport in China, there were also examples of catching American spies.

National security is inseparable from the relevant customs departments. Since its establishment, China Customs has cracked hundreds of thousands of illegal and criminal cases, saving hundreds of billions of dollars for the country. At Shanghai Pudong Airport, a group of Americans with suspicious behavior were found, and the customs department stopped them for normal security check and testing. As a result, it was found that their suitcases failed to pass the inspection, and it seemed that they carried a lot of electronic equipment inside, so that customs officers could forcibly open the boxes for inspection.

After unpacking, the staff found that a large number of electronic instruments and various equipment were placed in the suitcase. Among them, some chips are found, all of which are micro-and medium-sized semiconductor chips, which are the labor achievements of independent research and development in China and the representative achievements of China's core technologies. According to the statistics of relevant personnel, the total value of chips and various electronic devices in these suitcases exceeds 34 million yuan.

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The customs department immediately notified Zhongwei Technology Company to let them know that the chip technology was stolen. It is precisely because the customs officers found this group of Americans with suspicious behavior and intercepted them, which avoided the economic loss of tens of millions of yuan in China and ensured the privacy and integrity of China's chip technology. So much for "turning the tide" in Lost Title.

Since then, the Chinese and micro companies have negotiated with the United States and finally decided to handle this failed espionage case by peaceful negotiation. In this incident, the United States deeply realized the strength of China Customs Department, and made them clearly realize that China Customs Department can still picket them even if it is a hidden illegal act. The occurrence of this incident alerted our country, made our country pay more attention to high-tech security measures, and introduced various corresponding measures and preventive measures, which made our country's research and development and protection of core technologies more solid.

In fact, such events and activities are not unique in the world. Such similar espionage activities emerge one after another, but spies come to China to steal technology, which proves the strength of China's science and technology from the side. Even developed countries like the United States are inevitably drooling over our technology. This is due to the hard work of scientists in China, and also to the staff who fought in the customs. It is because of their strict protection that these cutting-edge technologies in China cannot be stolen.