Suppose you're building a map application. You have millions of restaurants, gas stations, and landmarks, each with a latitude and longitude. A user taps the screen and asks: "What's near me?"
Фото: Scott Peterson / Getty Images，详情可参考im钱包官方下载
Up to 10 simultaneous connections。Line官方版本下载对此有专业解读
When you open a bank account, you typically do so at a "branch," one of many，更多细节参见雷电模拟器官方版本下载