system kernel

例句：

1. 1.The system kernel is responsible for managing the entire computer's operations.
   系统内核负责管理整个计算机的操作。
2. 2. The new operating system has a more efficient system kernel.
   新的操作系统拥有更高效的内核。
3. 3. The system kernel needs to be updated regularly to ensure stability and security.
   系统内核需要定期更新以确保稳定性和安全性。