 <translate> Quoc: An abstract is a brief summary of a research article, thesis, review, conference proceeding, or any in-depth analysis of a particular subject and is often used to help the reader quickly ascertain the paper's purpose. When used, an abstract always appears at the beginning of a manuscript or typescript, acting as the point-of-entry for any given academic paper or patent application. Abstracting and indexing services for various academic disciplines are aimed at compiling a body of literature for that particular subject.

Answer this question based on the passage: what is an abstract in a scientific journal article?
HW Chung: OK, some thoughts: <yor> Quoc: Àkópòsí jẹ àlàyé ṣókí nípa àpilẹ̀kọ ìwádìí, ìwádìí, àtúnyẹ̀wò, ìgbésẹ̀ àpérò, tàbí àyèwò tó jinlẹ̀ nípa kókó kan pàtó tí a sì máa ń lò láti ran olùkàwé lọ́wọ́ láti tètè mọ ète ìwé náà. Nigbati a ba lo, akopọ nigbagbogbo han ni ibẹrẹ ti iwe afọwọkọ tabi iwe afọwọkọ, ṣiṣe bi aaye-ti titẹsi fun eyikeyi iwe ẹkọ ẹkọ ti a funni tabi ohun elo itọsi. Àwọn iṣẹ́ àtúnyẹ̀wò àti àtòjọ fún àwọn ẹ̀ka ẹ̀kọ́ ọ̀tọ̀ọ̀tọ̀ ni a fi ṣe àfojúsùn kíkó àkójọpọ̀ àwọn ìwé fún ẹ̀ka náà.  Dáhùn ìbéèrè yìí nípasẹ̀ àyọkà náà: kí ni àkópọ̀ nínú àpilẹ̀kọ ìwé ìròyìn sáyẹ́ǹsì? HW Chung: Ó dáa, àwọn èrò kan: 