The essential difference between "green productive forces" and other forms of productive forces lies in the difference of restraining conditions.
“绿色生产力”与其他形态的生产力相比其根本区别在于约束条件不同。
After determining the designed variables and objective functions, five restraining conditions for multiple objectives optimization are derived from its own structure.
在确定了设计变量及目标函数的基础上，根据结构本身的要求，推导出用于多目标优化的五个约束条件。
This model is based on a complex shape model and with it the optimal result can be obtained for most light frame structures and the restraining conditions can be satisfied.
结论为：无论框架的结构和荷载特征如何，在满足应力约束的前提下，只要恰当改变梁或柱的截面尺寸，用复形法即可得到位于位移约束边界上的最优点。
Domestically, there are many favorable conditions as well as a number of restraining factors and difficulties.
国内有许多有利条件，同时存在不少制约因素和困难。
Based on a study of hydrocarbon concentration seal mechanisms and formation conditions of mudstone caprocks, the paper represented the restraining and replacing hydrocarbon concentration seals.
在研究泥岩盖层浓度封闭机理及形成条件的基础上，提出了抑制和替代两种浓度封闭作用。
Based on a study of hydrocarbon concentration seal mechanisms and formation conditions of mudstone caprocks, the paper represented the restraining and replacing hydrocarbon concentration seals.
在研究泥岩盖层浓度封闭机理及形成条件的基础上，提出了抑制和替代两种浓度封闭作用。
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