提升挡块[限制器 lift stop
读块限制 READ BLOCK LIMITS
界限控制模块 boundcontrolmoduleBCM
生命周期速度限制模块 Limit Velocity over lifetime
带浪涌限制的输入模块 Input Modules with Inrush Limiting
特定模块的限制 module-specific restriction
因为它采用树的形式，树中有不同大小的节点，所以对分配的块大小没有限制。
Since it is maintained as a tree with varying sized nodes, there are no limitations on the allocation block sizes.
同步块被限制在一个JVM上，请求被路由到集群中的另一个节点并引起接收节点中的并发异常，这种可能性仍然存在。
The synchronization block was limited to one JVM and a possibility still existed that a request is routed to another node in a cluster and causes the concurrency exception in the receiving node.
局部变量的生存期被限制为定义它的块的生存期。
The lifetime of a local variable is limited to the lifetime of the block in which it is declared.
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