id	keyword
esrj-79957	fracture
esrj-79957	rock
esrj-79957	area
esrj-79957	prediction
esrj-79957	dingshan
esrj-79957	development
esrj-79957	longmaxi
esrj-79957	formation
esrj-79957	energy
esrj-79957	method
esrj-79957	density
esrj-79957	breaking
esrj-79957	value