默认情况下，除非使用的是64位芯片(它默认使用服务器虚拟机)，否则JVM启动时用的是客户端HotSpot虚拟机。

By default, the JVM starts up with the client HotSpot virtual machine, unless a 64-bit chip is used, which defaults to the server VM.

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作为对策，美国启动了诸如委托铸造项目等计划，以确保制造最关键微型芯片所用的设备是国内的而且是安全可靠的。

In response, America has launched schemes such as the Trusted Foundry Programme, which certifies "secure, domestic" facilities for the manufacture of the most critical microchips.

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自启动预载接口芯片以控制为主，时钟关系复杂。时序设计是整个设计的重点和难点。

Interface and download chip is control-oriented and has complex clock relationships, therefore timing design is the key and difficult point.

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