In many cases the resulting groundscreen will be tied to chassis ground at a number of points but it will sometimes be better to join them at a single star point.
不过，某些应用里，还是先把它们接起来然后单点接地（译者疑虑，不一定要接机壳吧）效果更好。
2
Parents have ground to control children's screen time.
父母们有理由控制孩子们看电视的时间。
3
Her answer so surprised me that I decided to ask some of the other developers who were also parents what their domestic ground rules for screen time were.