см. тж. иметь место; происходить

• Another major effect of topography is seen (or observed) in lowland sites.

• Naturally occurring infections caused by ... have been seen in cattle, rodents, ...

• Very little wear is evident (or observed).

• The above effects were noted after irradiation of about 10[sup]7[/sup] r.

• These absorption bands do not occur in the vapour phase.

• Frog skin exhibits (or shows) a potential difference of 20-90 mV with the inside positive.

• An interesting situation obtains in connection with an externally heated cathode.

• These sources are not found in rich clusters of galaxies.

• High-output cardiac failure can occur, but is only seen infrequently (мед.).

• More than simple bonding between amino acids was evidenced in these reactions.

• Also present in the spectrum were lines not familiar to me.

• Complex conservation is exhibited also by the same system.