| 释义 |
充要条件 chōngyào tiáojiànnecessary and sufficient condition充要条件chōngyàotiáojiànnecessary and sufficient condition充要条件如果有事物情况A，则必然有事物情况B；如果没有事物情况A，则必然没有事物情况B，A就是B的充分必要条件necessary and sufficient condition物质追求在不断挤压爱情空间，甚至上升为婚姻的充要条件。 The pursuit of material things continuously impacts on love, even rising to become a necessary and sufficient condition for marriage.充要条件 chōng yào tiáo jiàn {数} （充分必要条件） necessary and sufficient condition充要条件necessary and sufficient condition双向☞充要条件--充分且必要条件 |