compass card

n.

罗经刻度盘，罗经卡；

Compass card
A COMPASS CARD BY PAUL REVERE (?)
Compass Card : the San Diego smart card project
Compass Card: One Hundred Villanelles by Emery George
Book Review: As the Compass Card Turns
On the Stability of a Magnetic Compass Card
Overbudget and Overdue, Compass Card Contractor Hires Lobbyist | The Tyee
On the Movement of a Magnetic Compass Card Referring to the Motion of the Bowl
The Mesopotamian Wind-Star Directions and a Compass Card from Uruk
On the Movement about the Horizontal Axis of a Magnetic Compass Card