"精确发现目标" can be translated into English as "precisely locate the target" or "accurately detect the target", depending on the specific context and nuance you want to convey:
"Precisely locate the target" emphasizes the exactness or accuracy in pinpointing the target's position.
"Accurately detect the target" focuses more on the correctness or reliability of identifying the target, which may also encompass the broader process of sensing or recognizing it.
Choose the phrase that best fits your intended meaning and context.