Sentence examples for previously could be from inspiring English sources

It allows the crew to reach almost any area on the outside by remote control, and the air lock will enable spacewalks that previously could be conducted only from a shuttle.

The 18-kilometer addition now connects Qazigund to Banihal, across high mountains in the south that previously could be crossed only through the Jawahar tunnel built in the 1950s.

With the Hubble Space Telescope it is possible for astronomers to study the kinds of stars, star clusters, and nebulae that previously could be observed in great detail only in the Milky Way Galaxy.

Because superfluid helium-3 is governed by the quantum laws of microphysics, it has allowed scientists to study directly in macroscopic or visible systems the quantum mechanical effects that previously could be studied only indirectly in such invisible particles as molecules, atoms, and subatomic particles.

Experimental systems are being developed to test resistance gene deployment strategies that previously could be addressed only with logic and observation.

The differences observed between our results and the studies reported previously could be a result of the use of different inoculation methods and growth conditions.

Previously, tickets could be reissued for up to a year.

Previously, drivers could be on duty for 24 hours straight.

Previously, gold could be bought by retail investors only through dealers and street shops.

Previously, trustees could be removed by a two-thirds vote of shareholders without cause.

Chicken was never a breakfast food, points out Arndt, as no one is going to kill a chicken first thing in the morning, but cured meat from a pig that was previously slaughtered could be.