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词汇 oil-immersion
释义

Definition of oil-immersion in English:

oil-immersion

adjective
  • (attributive) (of a lens or microscope) having a layer of oil between the objective and the specimen so as to increase the numerical aperture.

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science.

Definition of oil-immersion in US English:

oil-immersion

adjective
  • (attributive) (of a lens or microscope) having a layer of oil between the objective and the specimen so as to increase the numerical aperture.

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science.

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