The purpose of a tuning indicator is to show when the set has been tuned exactly to this point.
调优指示器的目的是显示何时将设置调优到此点。
2
Because you are done receiving data from the server at this point, your request is complete and you can turn off the network activity indicator, as listing 4 demonstrates.
由于现在已经从服务器接收完数据，请求就完成了，可以关闭网络活动指示器了，如清单4所示。
3
In fact, at this point in this bear market, I'd say ignore current share prices -- except in the aggregate as an indicator of trends and an eventual turn in the market as a whole.