none of the approaches has kept up with the relentless drive to improve the cost size power performance, and reliability characteristics of electrical systems!
none of the approaches has kept up with the relentless drive to improve the cost size power performance, and reliability characteristics of electrical systems! ---------------------------------------------------- 当时卡在了the cost size power performance上了； 要是整个句子改成：
None of the approaches has kept up with the relentless drive to improve the cost、size、power performance, and reliability characteristics of electrical systems!
就容易了；
先分解一下：
None of the approaches：没有什么方法 has kept up with：满足，与。。。同步 the relentless drive：无止境的驱动、追求 to improve：完善、改善、改进 the cost：成本 size：体积 power performance：功耗 and reliability characteristics:可靠性指标 electrical systems:电气系统
none of the approaches has kept up with the relentless drive to improve the cost, size, power performance, and reliability characteristics of electrical systems!
楼主
标题置顶
标题高亮
