例如，在财务系统中的客户级别上：一个粗粒度锁会锁定该客户的所有帐户，另一个锁则可锁定全部保险策略。
An example might be at the customer level in a financial system: one coarse grained lock could be to lock all accounts for the customer, another could be to lock all insurance policies.
但这样您会无法理解锁定和原子性的全部意图，这些明确显示了使用内存约束的必要性。
But then you lose the whole purpose of locking and atomicity, which clearly shows the necessity of using the memory constraint.
安全文件共享锁定了一台笔记本电脑，桌上型电脑，外部驱动器或usb闪存驱动器的全部内容，包括引导扇区，系统和交换文件。
Secure file sharing locks down the entire contents of a laptop, desktop, external drive, or USB flash drive, including boot sectors, system, and swap files.
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