- Transactionsencounterdifficultiesbecauseofcontractualincompleteness.shownastheuncertainty,randomnessandincompletenessofthesignal,themixingofthepictureandsymbolinformation,etc.intheinformationdealtwith;Loveiswhenyouloseafronttooth,butyoucanstillsmile....
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