拼音：shàng dé tiān shí，xià dé dì lì
注音：ㄕㄤˋㄉㄜˊㄊㄧㄢㄉㄜˊㄉㄧˋㄌㄧˋ
解释：指作战既有适宜的气候条件，又有优越的地理形势作依托。也形容办事所具备的客观条件极为有利。
出处：《荀子·议兵》：“上得天时，下得地利，观敌之变动，后之发，先之至，此用兵之要术也。”
It means that the operation has both suitable climatic conditions and superior geographical situation. It also describes that the objective conditions for handling affairs are extremely favorable.
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