They commenced a systematic search.

他们开始了系统的搜查。

《柯林斯英汉双解大词典》

They made a systematic search for the lost car.

他们有组织地寻找丢失的车。

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The police made a systematic search of the building.

警察彻底搜查了这座建筑。

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"We were preparing for a long, systematic search of thousands of globular clusters with the hope of finding just one black hole, " said Dr Maccarone.

BBC: NEWS | Science/Nature | Black hole found in ancient lair

Earlier on Sunday he said that 10 specialist police teams were "continuing to conduct a systematic and methodical search in and around the town".

BBC: April Jones: 100 police in hunt for missing girl

The Montgomery County Sheriff's Office said detectives began a "systematic canvas and search" of areas near the shooting scene and spied the car at the apartment complex.

CNN: STORY HIGHLIGHTS