Problem: Andinthetransparenttunnelbetweenthetwolargeaquaria,thesharksswimleisurelyaboveyourhead.Here,youcanactuallyseeasharkfrombelow!
What's a sentence that uses these characters?
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And in the transparent tunnel between the two large aquaria, the sharks swim leisurely above your head. Here, you can actually see a shark from below!

Problem: Radiographicstudiescanbehelpfulinconfirmingthediagnosis,buteventhistypeofdiagnosticmethodischallenging.
What's a sentence that uses these characters?
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Radiographic studies can be helpful in confirming the diagnosis, but even this type of diagnostic method is challenging.

Problem: WhythebeingslikethatareaIcouldnotevenguess.
What's a sentence that uses these characters?
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Why the beings like that area I could not even guess.

Problem: Asthereis,inthegravitationalfield,anenergydensitythiscorrespondstoanequivalentmassdensityasgivenby(62).
What's a sentence that uses these characters?
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As there is, in the gravitational field, an energy density this corresponds to an equivalent mass density as given by (62).