科考队

• 禾(rice plant)RADICAL
• 斗(threshing floor; rice threshing area)ASSOCIATIVE

To classify rice grain by measuring each type with a measuring vessel.

• 耂(old person; aged person)RADICAL
• 丂(background sound; curved object)PHONETIC

An elderly person bending their back like a curved object represents the image of long years of examination.

• 阝(earth mound; hill)RADICAL
• 人(person; human)ASSOCIATIVE

A team is a group of people gathered together on a hillside in formation.