There are other apps and devices designed to assist these people, too.

还有其他应用和设备为这一人群提供协助。

Because researchers have designed a device that could someday produce power from your perspiration.

因为研究人员已设计出一款将来能够利用你的汗水发电的设备。

In 1903, he designed a device to hold signal flags on the ends of trains.

1903 年，他设计了一种装置，可以在火车尾部悬挂信号旗。

He's hoping that might have applications for designing some robotic underwater device and then detect chemicals.

他希望这能用于设计一些水下机器人设备，进行探测化学物质。

He designed a laser-based device in the 1970s to do so.

为此，他在 1970 年代设计了一种基于激光的设备。

And they designed this device to to not respond to any serial input.

他们把这个装置设计成不对任何串口输入做出反应。

In fact, technology firms often purposely design devices that will not last long and cannot be repaired so that consumers will have to spend their money on a new one.

事实上，科技公司经常故意设计不能使用很长时间且无法维修的设备，这样消费者就不得不花钱买一个新的。

Studying mechanical principles, da Vinci designed many useful devices, such as this machine for twisting ropes or a crane used to build canals, that greatly improved the efficiency of Renaissance craftsmen.

达芬奇通过研究机械原理，设计出如用来捻绳的机器或挖掘沟渠的起重机等许多非常有用的设备，极大地提升了文艺复兴时期工匠的工作效率。