discontinuity point of the first kind

例句：

1. 1. The researcher found that the discontinuity point in the data was due to a small error inthe measurement.
   研究人员发现数据中的间断点是由于测量中的一个小错误造成的。
2. 2.The scientist discovered a discontinuity point in the ocean currents that could be causing the coral reefs to die off.
   科学家在海洋流动中发现了一个间断点，这可能导致珊瑚礁死亡。
3. 3. The engineer designed a new system that would eliminate the discontinuity point between the two systems.
   工程师设计了一个新的系统，以消除两个系统之间的间断点。