考察团

• 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.

• 囗(surround; outer square frame)RADICAL
• 才(talent; ability (for sound))PHONETIC

A group is many people surrounding each other, pooling their talents and strength together.