The long term stability of the rural household contract ual management is decided by the protracted nature of primary stage of socialism.
长期稳定农村家庭承包经营是由社会主义初级阶段的长期性决定的,它符合生产关系要适应生产力发展要求的规律,符合农业生产自身的特点,有利于农村经济和社会的长期繁荣和稳定。
The results show that,mineral and chemical composition of weathered stock have better long term stability in engineering environmental condition,but grain composition has worse stability owing to its mineral composition and microcope struture characteristics.
通过室内强化模拟试验 ,对水布垭心墙堆石坝页岩风化填料的矿物成分、化学成分、颗粒级配的长期稳定性进行了研究。
For understanding the long term stability of weathered sand used in Maopinxi Protection Dam of Three Gorges Project,by simulated laboratory experiments,the effects of lnng term inundation and dry wet repetitive conditions on the characteristics of weathered sand were emphatically studied.
为了解用于三峡茅坪溪防护坝风化砂的长期稳定性，通过室内模拟试验，着重研究了该风化砂长期浸水和干湿循环条件对风化砂性能的影响，包括风化砂矿物成分、化学成分、颗粒级配、透水性、沉陷性和力学性能的变化。
Preliminary research on formation and long-term stability of cliff along the bank of the Three gorges reservoir;
三峡库区陡崖形成及长期稳定性初步研究——以万州区太白岩为例
Effect of different factors on long-term stability of semiconductor gas sensor;
半导体气敏元件长期稳定性的影响因素
Numerical analysis of the long-term stability of large-scale underground cavern of hydropower station;
水电站大型地下洞室长期稳定性数值分析
The Improvement of Physics Package and the Long-term Stability Measurement for Rb Frequency Standard;
铷频标物理部分的改进与长期稳定度的测量