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Much progress has been made in developing more and better methods to detect peds .

在研发更多有效的检测兴奋剂方法上，人们已经取得了很大的进步。

Portable electronic devices ( peds ) are not threats and everyone knows it .

每个人都知道，便携式电子设备（peds）不是威胁。

Between the people who think their peds are turned off and really aren 't and those that are texting and playing games there are not 450 million peds turned off during flight .

在那些认为他们关闭了便携式电子设备和实际没有关闭，和那些发短信，玩游戏的人之间，4.5亿台便携式电子设备在飞行期间是没有关闭的。