...The emission of the warning effluvium is more or less delayed accordingto the species... 
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The motherflits for a moment around the plant; and that swift examination isenough: the emission of eggs takes place if the provender be foundsuitable...
J. H. Fabre 「The Wonders of Instinct」
...With reference tothe mode of their formation, bright-line and dark-line spectraare sometimes called respectively emission and absorptionspectra...
George C. Comstock 「A Text-Book of Astronomy」
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