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Access control is really a system enabling authorities to regulate access to areas and resources in the given physical facility or computer-based information system. Access control is, the truth is, perhaps the most common, everyday phenomenon. For example, a lock on the car door is actually a kind of access control. The PIN over a bank's ATM product is another type of access control. Even nightclub bouncers, browsing front of an door, are another example of (perhaps) a much more primitive mode of access control. Using an access control mechanism is vital when persons attempt to secure confidential, important, or sensitive information and equipment.
To measure the weapons, explosives, or small pieces of metal objects carried or wrapped, luggage, letters and fabrics. The special appearance of its sensitive surface makes it easy to operate. Better than ring sensor. Ultra high sensitivity, special applications. Such as prison, chip factory, archaeological research hospital and other technical characteristics
To stop on the road to set up checked posts ZhaChe, imposed on the phenomenon of disorderly buckle, resolutely correct unhealthy tendencies in some industries and promote economic, cultural exchanges and safeguard the legitimate rights and interests of the masses of the people and enterprises, provincial people's government decided to clean up checkpoints on the roads around the (card). The issuing order is as follows:
When used in business practices, technology can ensure the competitiveness of companies and other companies. But the cost of achieving, inventing or using technology, called intellectual property, is very high. Therefore, many societies, such as the United States, Europe, and Taiwan, would give the government protection from this investment, through the granting of patent, exclusive rights. This protection enables companies to invest in technical costs that can be recycled, thus encouraging innovation. But there is another point, too, that patent overprotection can hamper innovation.
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