dual instruction meaning in English

复式操纵飞行训练

The micro - kernel architecture is suitable for dual - core environment , because the micro - kernel architecture has a good module and its size is small . based on the analysis the source code and the dual - core hardware architecture , modify the module in order to suit for the dual instruction stream environment of the dual - core processor
在对代码分析的基础上,总结出代码中所体现出现的内核各模块的内部结构,再结合双核处理器的硬件特点,对模块进行修改,相当于对模块作加法运算,使其满足双核处理器的双指令流体系结构。