反向的

The key reason for the improved performance are the pairs of counterrotating swirls created at either side of the leading-edge bumps, called tubercles.

隆起前缘能增进性能的关键理由，是因为这些隆起节瘤的两侧，会产生成对的反向旋转。

In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.

超高频被动式射频辨识系统里，读器传送未调变过之连续波讯号给，不但可提供能量给也作为反向散射讯号的载波。