field usage
5.According to the experience getting from the philosophy principle of a little red in the green field in the usage of the advertised creativity and manufacture, this article elaborate such principle: the percept and the background get harmonious and unify through the contrast and coordination, they produce peculiar visual effect, give clear impression and strong sense of vision to the people, thus attaining the purpose of draw on the consumer through the difference and complement in the color and model.
10.As special Multi-Carrier Modulation (MCM) technology, Orthogonal Frequency Division Multiplexing (OFDM) is quite competitive in the field of integrated wireless access. It has many strengths, such as the strong ability to resist Inter symbol Interference (ISI), the high rate of spectrum usage efficiency.

