noun🔗Share相对性，关联性 The state of being relative to something else."The difficulty of a math problem's relativity to my current understanding made it challenging. "这个数学题的难度，在于它与我目前理解水平的相对性，这使得它很有挑战性。physicstheoryChat with AIVocabulary GamePractice Reading
noun🔗Share相对论，相对性。 The principle that the laws of physics should be the same for all observers."Even though the ball looks like it's moving fast to me on the ground, the principle of relativity says someone on a train moving at a constant speed will see the ball obey the exact same laws of physics. "即使我在地上看那个球运动得很快，但相对性原理表明，在匀速行驶的火车上的人看来，这个球仍然遵循完全相同的物理定律。physicstheoryscienceChat with AIVocabulary GamePractice Reading
noun🔗Share相对论 Either of two theories (special relativity or general relativity) developed by German-American physicist Albert Einstein. Also called Einsteinian relativity."Engineers need a strong understanding of relativity when designing GPS satellites because of the effects of gravity and speed on time. "工程师在设计GPS卫星时需要对相对论有深刻的理解，因为重力和速度会对时间产生影响。theoryphysicsscienceastronomyspacetimeChat with AIVocabulary GamePractice Reading
