Both techniques have been researched extensively.

这两个技巧都经过了广泛的研究。

youdao

Some of these techniques have been in use for years.

有些技巧已经应用了多年。

youdao

Other techniques have been used to solve the same problem.

已使用其他技术解决同一问题。

youdao

The memos were graphic and troubling. The four documents - issued under the Bush administration - revealed details of interrogation techniques like simulated drowning that have been condemned around the world.

VOA: standard.2009.04.20

"There were some problems with some tactics, techniques and procedures, the way in which close air support was supposed to have been executed in this case, such that, at least with one of the aircraft involved, a B-1 bomber, that plane because of how it takes its bombing routes had to break away from positive I.D.

VOA: standard.2009.06.08

Other launch techniques have been suggested, including electrical propulsion, laser propulsion and even magnets.

FORBES

Two main techniques have been shown to work in the laboratory, by using a donor embryo or a donor egg.

BBC: 'Three people, one baby' public consultation begins

New techniques have been developed, however, to make induced pluripotent stem cells without permanent genetic modifications that were associated with tumors.

CNN: Cloning stem cells: What does it mean?