变质: go bad; deteriorate能量: energy; amount of energy本质能量: intrinsic energy静质能量: rest-mass energy生物质能量: biomass energy实质能量: practical capacity物质能量: matter energy杂质能量: energy contamination蛋白质能量比: protein-energy ratio蛋白质能量营养: pcm:protein-calorie malnutrition物质能量守衡定律: matterenergy equivalence质能: mass energy; mass-energy蛋白质能量营养不良: energy-protein malnutrition蛋白质能量营养不良症: protein energy malnutrition海洋大气间的物质能量交换: ocean-atmosphere exchange变质: 1.(变坏) go bad; deteriorate 蜕化变质 become morally degenerate; 这种食品在热带地方不会变质。 the food undergoes no deterioration in the tropics. 牛奶变质了。 the milk has turned sour.2.[地] (变质作用) metamorphism; [冶金学] (加入微量元素以改善其组织和性能) modification; [生物学] (退化、变质) degenerescence; degeneration质能守恒;质能不变: mass-energy conservation能量: 1.[物理学] energy; amount of energy 能量转化 energy conversion2.(能力) capabilities; capacity; 能量不灭 conservation of energy; 能量不灭定律 law of conservation of energy; 能量交换 energy exchange; 能量均分 equipartition of energy; equipartition; 能量平衡 [生理学] energy balance (能量收支); 能量贮存 energy storage; 能量转移 energy transfer 生物质能: bioma energy; biomass (ecology); biomass energy杂质能带: impurity band杂质能级: impurity energy level; impurity level杂质能阶: impurity level质能当量: mass-energy equivalence质能等价性: mass-energy equivalence; massecuite质能等效: equivalence of mass and energy