I have a combination lock on my locker in the changing room.

我的更衣室的柜子上装着一把号码锁。

He has a prototype combination lock. He wants you to test out.

他手头有把号码锁的原型，想要你去校验。

While the electronic combination lock because more safe and reliable and has wide application prospects.

而电子密码锁因为较安全可靠而具有广泛的应用前景。

This paper introduces the electronic keyboard, AT89C2051 by matrix combination lock MCU, leds display and alarm systems.

本文介绍的电子密码锁由矩阵键盘、AT 89 C 2051单片机、发光二极管显示和报警系统组成。

Abstract: General machinery combination lock password is easy to crack, therefore its security has been a serious threat.

摘要：普通机械密码锁的密码容易被破译，因此其安全性已受到严重的威胁。