Of a strategy, war, etc.: advocating or involving the avoidance of centres of population as targets of nuclear bombing.
1960s; earliest use found in The Economist. From no + the plural of city. In β form re-formed from no + city.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。