law of demand and supply

英 [lɔː ɒv dɪˈmɑːnd ənd səˈplaɪ]

美 [lɔː əv dɪˈmænd ənd səˈplaɪ]

供需法则；供求定律

In the long run, commodity prices are governed but by one law, the economic law of demand and supply.
从长远来看，决定商有只的格价品一条法则，供与求的经济法则。
Therefore, the principles have to be obeyed are as follows: law of value, law of demand and supply, overall planning principle, water saving promotion, and operation step by step.
为此，要遵循价值规律原则、供求规律原则、统筹安排原则、促进节约用水原则和逐步到位原则。
The Change Law of Price and Demand and Supply of Electrolytic Manganese Metal in the World Recent years
浅谈近几年国内外电解金属锰价格与供需变化规律
The status quo and development trend of the world iron ore trade and its affecting factors are analyzed. Also analyzed are the freight change law of the main routes of iron ore shipping market and the demand and supply of the shipping capacity of main types of vessels.
分析了世界铁矿石贸易的现状和发展趋势及影响因素，分析了铁矿石运输市场各主要航线的运价变动规律和主要船型的运力供求关系。
The development and evolvement process of the logistics activity is discussed. Thus constitute, law of motion, demand and supply of logistics activities are also systematic researched.
论述了物流发展演化过程，系统研究了物流活动构成，物流活动运动规律，物流需求与供给等内容。