The phrase "are usually typified" is correct and usable in written English.
It can be used when describing common characteristics or typical examples of a subject or phenomenon.
Example: "In literature, heroes are usually typified by their bravery and selflessness."
Alternatives: "are typically characterized" or "are generally represented".
Failure of CFRP strengthening systems when applied to concrete structures is usually typified by de-lamination of the CFRP from the concrete substrate.
The former is usually typified and then represented by concepts.
"Would it really look different from what we now know as the Holocene?" Geological periods and epochs are usually defined by the particular groups of animals and plants that typified the time.
As a result, clinical symptoms of pancreatic cancer, often referred to as the 'silent killer', are usually unremarkable until the neoplasm has progressed to an advanced stage typified by metastatic spread to regional lymph nodes, liver, peritoneal cavity, and – rarely – to the lungs, bone or brain.
Of the genes typifying either A or B haplotypes, only 2DS4 and 2DL5, respectively, are present in chimpanzee, but in that species they are usually found linked on the same haplotypes in the centromeric region, the region containing all chimpanzee KIR except the 2DL4 and 3DL framework genes (L. Abi-Rached, manuscript in preparation).
Vascular fibroplasia typified by a thickened tunica media in intermediate vessels was noted in some transgenic mice and was usually associated with inflammation in the vessel wall (Figure 3A).
But you did find them in Nazi Germany, where Goebbels said 'a lie that is repeated 1,000 times becomes the truth'". Ignoring the caution that usually typifies public criticism of state institutions in China, Mr Jiao dished out the sort of vitriol that the propaganda department was once famous for.
Detailed analysis with a larger cohort of proteins revealed that the repeats are also typified by a characteristic GH dipeptide usually residing some 11-24 residues from the N-terminus, though neither the GH nor WD signature is absolutely conserved [ 3- 5].
Jawed vertebrates are typified by paired appendages, fins or legs, which may be secondarily lost.
They are typified by Lazlo, the friend who always slips Leo an envelope before he leaves, usually containing an improving quotation.
