In brief what you need to target Windows Phone 7.5 is the Windows Phone 7.1 SDK and the August 2011 build of the Windows Phone Toolkit.

简单地说，针对windows Phone 7.5的开发工具是windows Phone 7.1 SDK和2011年8月份的windows Phone Toolkit。

youdao

Doors and windows are an easy target for burglars.

门窗被窃贼作为入室的目标容易得手。

《牛津词典》

If your target is a Windows Mobile 5.0 physical device, then you need to cradle the device to your PC and have ActiveSync recognize and communicate properly with the device.

如果目标是一个Windows Mobile 5.0物理设备，那么需要将设备连接到PC，让ActiveSync能够识别这个设备并与它进行正确地通信。

youdao

The vast majority of attacks like these have target Windows via exploits in Word.

FORBES: First-Known Targeted Malware Attack On Android Phones Steals Contacts And Text Messages

In a preview of its presentation, the team acknowledges Apple's "plethora of defense mechanisms in iOS." Historically, Mac users have been able to boast of being largely malware free, in part because spammers, scammers and hackers preferred to target the larger number of Windows computers in the world.

CNN: Doug Gross,

Furthermore, Windows is the preferred target for computer viruses.

ECONOMIST: Software