He has finally cracked the system after years of painstaking research.

经过数年的艰苦研究，他最终破译了该系统。

《柯林斯英汉双解大词典》

It would do painstaking research on topics like Guantanamo, and then issue reports.

它会做像关塔那摩主题的潜心研究，然后发出报告。

youdao

Abstract: Traveling salesman problem is an extensive study of the academic community, many scholars have long painstaking research, with impressive results.

摘要：旅行商问题是一个学术界广泛研究的问题，长期以来许多的学者潜心研究，有了可观的成果。

youdao

The current report follows years of painstaking research designed to strengthen this initial observation.

BBC: System could warn of solar storms

Few writers of fiction or nonfiction undertake the painstaking research that Bull does in creating his tantalizing tales.

FORBES: Fact and Comment

"These individuals exemplify the extraordinary impact that painstaking research can have on the lives of countless individuals, " said James J.

WSJ: 3 cancer scientists awarded $500K NY medical prize