active proliferation造句

• Active proliferation in a number of epithelial tissues is associated with increased or " de novo"
• "There is no link to al-Qaida, " he said, and no evidence of active proliferation of weapons since Sept . 11.
• Ivashov also warned that NATO raids would provoke " a build-up of the arms race, the active proliferation of weapons of mass destruction, and an expansion of conflicts ."
• The first agent-based model is a multiscale model of mammary gland development starting with a rudimentary mammary ductal tree at the onset of puberty ( during active proliferation ) all the way to a full mammary gland at adulthood ( when there is little proliferation ).