The parameters of AG model correlate strongly and at least one parameter can be fixed before the search routine.

AG模型参数表现出很强的相关性，如果四个模型参数同时作为自由变量可能会得到不合理结果。

youdao

Acting on intelligence information, Sultan said the soldiers began a routine search operation in the South Waziristan region -- a culturally conservative tribal area in Pakistan's semi-autonomous northwestern border region.

CNN: Fierce battle in al Qaeda hunt

The FBI agents, Arredondo said, asked routine questions in search of mundane facts they hoped would help them solve the extraordinary crime.

NPR: Marathon Rescuer Gets Attention From Press And FBI