In future, it might even be possible to observe this process with the planned LISA satellite, an instrument capable of measuring the gravity waves that the two merging black holes emit.
未来，科学家们还有可能用丽莎卫星进行观测，丽莎卫星可以测量到两个正在合并的黑洞发射出的引力波。
2
The sturdily constructed instrument optically measure specific gravity of aqueous solutions.
坚固结构光学仪器用于测量水溶液的比重。
3
The method and apparatus have a reduced sensitivity to error sources, i. e. gravity, internal friction and operator interference (unsteady holding of the instrument).