The TCS requires control over the allocation and release of key system resources, including database records, communication sockets, security keys, etc.
TCS要求控制关键系统资源的分配和释放，包括数据库记录、通信套接字、安全密钥，等等。
2
The key to this optimization is that by delaying the allocation of physical blocks until they need to be written to the disk, more blocks are present to allocate and write in contiguous blocks.
这种优化的关键是延迟物理块的分配，直到需要在磁盘上写这些物理块时才对其进行分配并写到相邻的块。
3
The latter are key to capturing design decisions and provide traceability for requirements derivation and allocation across system elements.