How do you stop the growing epidemic of stolen smartphones? Lawmakers in California seem to think its by mandating providers to sell devices with built-in kill switch capabilities that would make stolen phones inoperable. This month, when...
在现今的汽车应用于中，设计人员必须把大电流可信和安全性地竖井到短路的阻性或感性阻抗，这类应用于还包括：白炽灯、电机掌控和冷却器件等。现在要构建这一目的，设计人员被迫倚赖分立式或机电式解决方案，或是受限于...