Positive Modulation [电子] 正调制 ; 正极性调制 ; 正调变
positive frequency modulation 正调频
positive light modulation [电子] 正光调制
positive amplitude modulation [电子] 正极性幅度调制
positive picture modulation 正象调制
modulation positive
调制积极
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In high enough doses, it seems to have a positive effect on nervous system modulation, but the small amount in energy drinks likely does nothing.
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