我国正处于并将长期处于社会主义初级阶段,这个不可逾越的历史阶段,需要（ ）的时间.

At present,China developing tertiary industry,tourism and tertiary industry is the main component of the tourism industry today has become a pillar industry of China's national economy,so in-depth study of the tourism industry in promoting the development of the national economy has a major Significance.The article in the development of tourism in Heilongjiang for the study,from the development of tourism in Heilongjiang Province,the status quo,the potential advantages and limitations of tourism development in our province,and other aspects,clearly the current situation and put forward the development of our province's tourism industry The overall proposal.Aimed at promoting the development of tourism in Heilongjiang Province,Heilongjiang as soon as possible so that our country has become the major tourist destinations.

1987年10月中共十三大时提出来的.
中国共产党第十三次全国代表大会阐述了社会主义初级阶段理论
提出者是谁就不清楚了

坚持基本路线不动摇一百年.革命性质决定革命任务,革命任务决定革命路线.基本路线一百年不动摇.

可以避免叛乱,不法分子捣乱与个国家的欺负,解放军是巩固国防、维护国家领土完整与安全的坚实基础

百货商店250×0.85=212.5元
国正商店100+(250-100)×0.75=212.5元
所以两家一样

我国目前正处于并将长期处于社会主义初级阶段这一论断,包括这样三层含义：
一是我国社会已经是社会主义社会.我们必须坚持而不能背离社会主义方向.
二是我国的社会主义还处在初级阶段.我们想问题、办事情、作决策,必须从初级阶段的实际出发,而不能超越阶段,急于求成.
三是这个初级阶段是一个相当长的历史过程.我们要作长时期的努力奋斗,而不能有丝毫懈怠.