Another factor may be the mosquito’s search for an accessible vein near the skin surface, much like that of a nurse trying multiple sites to take a blood sample.
抑或是蚊子试图通过多点测试寻找一个接近皮肤的血管，正如护士采血样时多试几个地方一样。
2
To illustrate this, this article walks through a sample application that uses the Web messaging service to connect an Ajax client to data updated in near real time.
为了说明这一点，本文将通过一个样例应用程序来逐步讲解，该样例程序使用 Web 消息传递服务来将一个 Ajax 客户端连接到近实时更新的数据。
3
The sample application simulates a near-real-time dataset by using a data simulator.