A 64bit CPU will have a wide data bus, but recall that this same 64bit CPU can run 32bit code as well and it still has the big wide data bus to move things around with.
64位CPU拥有更宽的数据总线，但是同样是这个64位CPU可以运行32位的代码，而且拥有同样宽的数据总线。
Because most devices are separated from the CPU by a bus, which is much slower to send data across than it is to write to CPU registers or (cached) memory.
因为大多数设备是分开的CPU总线，慢得多的发送数据跨比写信给CPU寄存器或内存(缓存)。
The logic elements in controller are multiple CPU network setup. Individual intelligent functional modules are interconnected by CAN bus for data exchanging and multiple CPU cooperating.
控制器的逻辑单元为多cpu网络体系，体系内各智能化功能模块通过CAN总线互联，实现模块间的数据交换和多cpu协同工作。
The logic elements in controller are multiple CPU network setup. Individual intelligent functional modules are interconnected by CAN bus for data exchanging and multiple CPU cooperating.
控制器的逻辑单元为多cpu网络体系，体系内各智能化功能模块通过CAN总线互联，实现模块间的数据交换和多cpu协同工作。
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