bi-color

基本解释

Introduce FTP based on bi-color fringe projection into dynamic 3-D profilometry. This method increases the accuracy of system.
将基于双色条纹投影的傅立叶变换轮廓术用于动态三维面形测量，以提高测量精度。
A bi-color LED indicator on the charger provides the user with information on when the lift is charging and also when the batteries have reached a full charge.
一个双色LED指示灯的充电器提供了信息，当电梯充电电池时，也已经达到了完全充电的用户。
Encapsulates, bi-color, molds as well as injection molding production privately operated Sole-source investment enterprise primarily and so on compression casting, company in product design;
包胶低腰阔腿裤，双色，压铸等模具以及注塑生产为主的私营独资企业，公司在产品设计；

There's also a bi-color (green and red) notification LED right above the earpiece.
ENGADGET: Ericsson T28z review Mobile