It usually composes of wearable biosensors, a handheld PC, and an expert system.
该系统通常由无线的小型传感器、手持单元和专家系统构成。
For some devices, like a handheld PC, it might display a dropdown list to choose from.
对于像掌上电脑这样的设备来说，如果选择了表单后，它可能会显示下拉列表。
The major game platforms are console, PC, handheld, and mobile devices.
主要的游戏平台包括游戏机、PC、手持设备和移动设备。
Gamers who own a console or handheld might also own a PC.
拥有游戏机或手持设备的玩家也可能有PC。
Handheld ultrasound devices currently on the market can't e-mail images directly— a user has to transfer them to a PC first, either with a docking station or by removing the device's memory card.
市场上存在的同类设备都不可以直接用电子邮件发送，用户要么利用电脑上扩展坞，要么取下内存卡，然后将图像拷贝的电脑上进行发送。
Search could be performed using Pocket PC handheld devices.
可使用掌上设备来执行搜索。
So in recent years, company execs have ceded the low-margin market for PC monitors, concentrating instead on high-end displays for cell phones, handheld computers, and digital cameras.
所以，近些年来，公司管理人员逐渐放弃了低盈利的个人电脑显示器市场，把精力集中于手机、手提电脑和数码摄像机等高端显示器。
So in recent years, company execs have ceded the low-margin market for PC monitors, concentrating instead on high-end displays for cell phones, handheld computers, and digital cameras.
所以，近些年来，公司管理人员逐渐放弃了低盈利的个人电脑显示器市场，把精力集中于手机、手提电脑和数码摄像机等高端显示器。
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