keyless
英 ['ki:lɪs] 美 ['kilɪs]

adj.

无键的，转柄上发条的；

英英释义

keyless[ 'ki:lis ]

• adj.lacking or not requiring a key

  "a keyless lock operated by a series of pushbuttons"

权威例句

Keyless chuck
Keyless Jam Resistance
Keyless entry system for vehicles in particular
Keyless Access Control System Based on Hopping Code Chip MT3108
Key exchange using ‘keyless cryptography’ ☆
Satellite-based keyless remote locking system for vehicle dealerships
Relay Attacks on Passive Keyless Entry and Start Systems in Modern Cars
${\ssr{PriWhisper}}$ : Enabling Keyless Secure Acoustic Communication for Smartphones
Radio-wave transmission system of keyless entry system for automotive vehicle devices
Security-capacity trade-off in large wireless networks using keyless secrecy