Constanty康斯坦蒂constantadj.不变的；经常的n.常数；恒量constant state region等态区constant current type定电流式Constantin Dumitrescu杜米特雷斯库constant load balance恒载天平Constant Load Rupture定载荷破坏试验constant groove speed恒定纹道速率constant product line固定产出线constant velocity cam等速凸轮constant volume curve等容曲线constant voltage unit恒压器电压稳定器

1. A cosmological term was not needed to explain an expanding universe, so Einstein abandoned the concept.
   因为并不需要宇宙常数项来解释膨胀的宇宙，所以爱因斯坦就放弃了这个想法。