Some safes use electronic code locks, whose advantage is that the amount of its passwords is enormous.

也有部分保险柜使用电子密码锁，电子密码锁具有密码量极大，使用方便等优点。

youdao

That's what a group of heavyweight tech and entertainment companies learned last week when they tried to keep the lid on the code that could help break the electronic locks on HD-DVDs.

FORBES: Magazine Article