Sentence examples for it is hard to observe from inspiring English sources

It is hard to observe this production intensity directly.

This is partially due to the fact, that it is hard to observe it in situ.

It is therefore important to better understand the movement behaviour of these crabs, even though it is hard to observe directly.

It is hard to observe birds closely in their element, and that is why the market is so good among birders for binoculars and telescopes.

However, it is hard to observe the changes on schedules in detail in an analytical way.

However, it is hard to observe such texture under SEM when the Si thin films are covered by CNTs (Figure 1d).

As for rapture, it is harder to observe firsthand, and is furthermore something that people, even people in Berkeley, do not necessarily care to discuss.

For many biologists, this implies that speciation happens so slowly that it's hard to observe on human timescales — that we'd need to track a population for millennia or more to actually see it split into two separate species.

Each quasar is thought to consume about one star per year, but in most cases, it's hard to observe the tidal debris from Earth, he says.

It's hard to observe this and not to think of Oedipus, the unconscious architect of all our complexes.

The transformation that global warming is having on the oceans is largely unseen because we're land animals and it's hard to observe.