a portable light的意思|示意

Please fix up a portable light here.

请在这里安装一盏行灯。

Mobile commerce dependent greatly on wireless network and mobile terminals because light portable mobile terminals create a free from constraints of time and space business environment.

从交易方式来看，移动商务活动极大程度地依赖于无线网络和移动终端，轻便易携带的移动终端设备为移动用户提供一个不受时间与空间限制的商务环境。

But laptops and similar portable information devices require a lot of power-and heavy batteries-to keep their LCD screens operating. And LCDs are not easy to read in the bright light of the sun.

然而便携电脑及类似的便携式信息物件需要大量电源—笨重的电池—才能使液晶显示屏工作，而且液晶显示屏在明亮的阳光下读看很费力。

In order to meet the need of family community, this subject is to design a portable non-invasive pulse oximetry, the system has advantages of small size, light weight.

本课题旨在设计一种适用于家庭保健和社区医疗的便携式无创脉搏血氧饱和度测量仪，这个系统具有尺寸小，重量轻的特点。

A portable drill or an electric chainsaw could save Labour, and make light of roughing out big boards.

便携钻机或是电动链锯能够节省体力，并使大块木板的粗加工化繁为简。

Q. I was wondering if you could give me some suggestions of a small, light portable radio-type gadget with earbuds that would be good for me while I do athletic activities like riding my bike.

能不能给我推荐一种轻便小巧、带耳塞的便携式收音机那样的装备，以便我在运动时收听，比如说骑自行车。