experimental study

a piece of research, a study, investigation

to research, to study

Clipping of 代数学 (daisūgaku, “algebra”).

虫垂: an appendix (vermiform appendix) / 注水: pouring water / 宙水: subterranean water that collects above a less-permeable stratum: perched water, a perched aquifer / 中水: gray water

抽象: abstraction / 中小: small to medium / 中傷: defamation, slander, libel / 中称: (linguistics) mesioproximal pronoun

中心: center, middle / 衷心: innermost feelings / 忠臣: loyal retainer, loyal subject / 忠信: faithfulness, devotion / 中震: moderate earthquake / 注進: information, making a report

忠助: a male given name

a target, a mark, a bullseye / an objective, an object (of doing something)

as far as ... is concerned; in terms of ...