Meanings

subsurface exploration (geotechnical investigation)

diagnostic agent (esp. pregnancy test)

judicial review (e.g. of the constitutionality of a law)

polygraph test

search for corroborative evidence

medical diagnostic instruments

electronic visa

fact-finding survey based on interviews

inspector

sperm test

transit visa

prescreen

(actual) screening (as opposed to prescreening)

National Land Survey Act

cadastral survey

epidemiological investigation

manned mission (e.g. space probe)

quality check

planetary probe

(election) survey