This led to breakthroughs in 3d seismology and directional drilling .
这就导致了在3d地震学和定向钻井上的突破。
Seismology , for example , makes progress through better instruments , improved theories or more frequent earthquakes .
例如地震学通过更好的工具、改进的各色理论以及更为频繁的地震取得进展。
The swiss unit is a militia corps with a pool of at least 700 people ready for duty whose skills range from engineering , seismology , telecommunications and war surgery .
He ranges over a number of themes , from seismology to chess-playing , but exhibit a is the american housing crash of 2007-08 that triggered the financial crisis .
