市场准入

• 亠(lid; cover)ASSOCIATIVE
• 巾(cloth; towel)RADICAL

A market is a place where goods are displayed below and covered by a roof above.

• 土(earth; soil; land)RADICAL
• 勿(don't; must not)PHONETIC

A wide field of land sounds similar to the word for things or objects.

• 冫(ice; cold)RADICAL
• 隹(short-tailed bird)PHONETIC

Cold ice water helps measure water level accurately, thus meaning standard, permissible.

• 入(enter; go in)ASSOCIATIVE

A brushstroke like an arrow pointing inward symbolizes the action of going in.