ultra microwave的意思|示意

In terms of operation frequency, RFID systems can be divided into four categories: low frequency (LF), high frequency (HF), ultra high frequency (UHF), and microwave.

根据工作频率来分，RFID系统可以分为低频，高频，超高频和微波四个波段。

From the mode of information transmission, the wireless communication can be classified as long wave, medium wave, shortwave, ultra short wave, and microwave.

无线通信系统按其传播信息的方式，可分为长波、中波、短波、超短波和微波通信方式。

The results show clearly that the microwave absorption of dispersions of metallic ultra fine grain relates to particle size, coating thickness, and method preparation.

结果表明：金属超细颗粒弥散系的微波吸收与粒度、涂层的厚度及配制方式有关。