每个中心采用多种安全手段以保证安全，包括生物识别、门禁卡、电梯锁和人工检查。
Each center is guarded by multiple security procedures, including biometric identification, key card access, elevator lock outs and human verification.
该系列锁提供各类无键门禁，包括密码，感应器或带有单个或多个密码选择的双证门禁。
Locks in the series offer many kinds of keyless access control, including PIN, proximity, or dual-credential access with the option of single or multiple access codes.
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