In which two aspects did the essay "Dripping Water Pierces Stone" describe Zhu Kezhen?
The short essay of Dripping Water Pierces Stone mainly described Zhu Kezhen's life and scientific research in detail. On one hand, Zhu Kezhen's life described his struggles as a scientist. Zhu Kezhen was born in a poor family in Suzhou City, Jiangsu Province, China, but he had a strong interest in science since he was young. He studied hard at Tsinghua University and then at the University of Cambridge in England to obtain a Ph.D. Zhu Kezhen had made many achievements in scientific research. He had served as the president of the Chinese Academy of Sciences, an academician of the Chinese Academy of Sciences, and the chief scientist of the International Meteorology Organization. He also devoted himself to the study of climate science and put forward famous climate theories such as "Zhu Kezhen's Cycle", which made important contributions to the development of global meteorology. On the other hand, Zhu Kezhen's scientific research described the scientific fields and research methods he was engaged in. Zhu Kezhen's contribution to meteorology was mainly reflected in his global meteorology theory. He proposed that " weather change is an important factor in the change of the Earth's environment " and invented the " Zhu Kezhen period " and other weather observation data laws, which laid the foundation for the development of global meteorology. In addition, Zhu Kezhen also carried out a large number of observations and research, such as observing eclipses, lunar eclipses, comets, etc., and using these methods to study global climate change. To sum up, the short essay of Dripping Water Pierces the Stone mainly described Zhu Kezhen's life and scientific research.