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, . : ( this, that, each, one . there) , , . , . , :

We observed the program simulating unexpected results. , .

, : hear, see, feel, watch, observe, find, notice:

He watched the part cooling during the process. , .
We observed the magnetic areas of films retaining their mirror-like appearance without any apparent deterioration. , - .

wish, want, get, keep, have , , , - :

They wanted the test results plotted and explained. , .
They wished the installation adjusted properly. , .

:

They got the project endorsed. .
These departments have their production schedules unified. .

:

They watched the new installation started. , ( ).

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1. , , , , , , :

The total heat transfer rate being known, an average heat transfer coefficient is not needed and not defined. , .
The similarity of mechanisms of heat transfer and mass transfer results in the mathematics often being identical, a fact that can be exploited to advantage. , .

, ( , ? , ? ? ). , , . - . .

2. , , , , , , :

However, there are some important processes that depend on thermal diffusion, the most well known being the large-scale separation of uranium isotopes. , , (: , . ).

3. as, , ():

As mentioned above, there are often several sample statistics that can be used to estimate a population parameter. , , .




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