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，是因为在这些隆起节瘤的两侧，会产生成对的反向旋转涡流。

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.

在超高被动式射系统里，读器传送未之连续波讯号给标签，其不但可提供能量给标签也作为标签反向散射讯号的载波。