All other traditional operating system drivers and services (e.g., a file system) execute as individual processes.

所有其它传统的操作系统驱动和服务(例如：文件系统)都作为单独的线程执行。

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Only the kernel can directly communicate with an SPU and therefore needs to abstract the hardware interface into system calls or device drivers.

只有内核才可以直接与 SPU 进行通信，因此需要将硬件接口抽象为系统调用或设备驱动程序。

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Since use cases take a black box approach to the system, they cannot be critical drivers for the unit testers.

由于用例可以通过黑盒访问这个系统，所以它们成为单元测试人员的关键性驱动。

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The global food system drivers interact with local environmental factors to create a wide variation in obesity prevalence between populations.

FORBES: The Lancet's Series on Obesity

The Kers system gives drivers a burst of extra power at the push of a button in the cockpit.

BBC: Williams opt against new system

Under the new system 10 drivers will score points in each race.

BBC: Jenson Button supports new Formula 1 points system