Card marking algorithms can add as little as two or three machine instructions per non-initializing heap pointer store, and entails scanning any objects on dirty CARDS at minor collection time.

对每一个非初始化堆指针存储，卡片标记算法可以只增加两到三个机器指令，并要求在小的收集时对所有脏卡片上的对象进行扫描。

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Important registers to look for when debugging through signals are the GPRs, instruction pointer (NIP), machine state register (MSR), trap, data address register (DAR), and so on.

在调试信号时，需要查看的一些重要寄存器包括GPR、指令指针(NIP)、机器状态寄存器(MSR)、Trap、数据地址寄存器(DAR)等等。

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What does a pointer from the client mean to a server that is running in another process on a different machine?

客户机中的指针对于在另一台机器上运行另一个进程的服务器意味着什么？

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In addition, the arm has an in-built laser pointer that can show exactly where on a machine work should start or where parts should be placed.

BBC: IBM's robot sidekick aims to aid field engineers