section i-i i-i

phase Ⅰ clinical trials

phase Ⅱ clinical trials

phase I clinical trial

phase I trials

phaseⅢclinical trials

phaseⅠclinical trials

phaseⅡclinical trials

{C_n_i|i∈I}—Factors

and{C_n_i|i∈I}—factorable

ac nominal phase-phase potential transformer

ac phase-phase

i phase

in-phase (I) channel

in-phase (I) signal

in-phase (I) video

i-PHASE

Jinsha River Phase I Project

M-I phase transition