activity indicator信息详情
活动指示器
indicator───n.指标，标志，迹象；指示器；[试剂]指示剂；[计]指示符；压力计
activity───n.活动；行动；活跃
indicator variable───指标变数，指标变量；[统计]指示变量
flushness indicator───平齐度指示器
indicator constant───指示剂常数
leading indicator───领先指标
refinement indicator───精化指标
lagging indicator───[统计]滞后指标；迟滞指标；拉后指标；滞后经济指标，落后指标，拉后指标
freshness indicator───新鲜度指示器
Usually the activity indicator shows at least one spontaneous urgent meeting by now.───通常的活动指标表明，目前至少有一个突发的紧急会议。
You can use it as activity indicator during loading.───你可以用它在加载期间活动指示器。
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。
As an important international economic activity indicator, the exchange rate has an important impact on a country's foreign trade.───在诸多影响因素之中，汇率作为一个重要的国际经济活动指标，对一国的对外贸易具有重要的影响。