以下是本次翻译题完整的翻译版本,仅供参考:For ordinary police officers, the use of trained police dogs can be invaluable in locating and apprehending suspects or detecting explosives and drugs. These skilled and intelligent animals have an incredible sense of smell and can detect even the slightest scent of illegal substances.To become an effective police dog, years of intensive training are required. In addition to physical training, they must also receive extensive education in their area of specialization, such as drug detection. Through careful selection and constant handling, they develop an amazing level of obedience and loyalty to their handlers.During an operation, the specially trained police dog will work in close cooperation with its handler, who instructs the dog where to search and what to do. With their innate ability to follow even the faintest scent of a suspect, they can track down criminals who would otherwise evade arrest.The use of police dogs is an important and effective tool in modern law enforcement. With proper training and handling, these dogs can make a significant contribution to public safety, helping to protect communities and reduce crime rates.