本文分析了软件保护中几种常用的方法，并着重研究了硬保护中的加密锁技术。
The paper compares some protection methods and focuses on encryption lock technology included by hard protection.
电动窗、电动锁和电动后盖是最新的发明，但雨刷却是汽车技术的死水。
Electric windows, electric locks, and electric trunk catches were the latest gadgets, but wipers were one of the backwaters of automotive technology.
之所以将这种技术称之为 “开销较低的读-写锁” 是因为您使用了不同的同步机制进行读写操作。
The reason this technique is called the "cheap read-write lock" is that you are using different synchronization mechanisms for reads and writes.
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