英和和英

spectroscopy

the optics of a telescope

an optical microscope

an {optical instrument} called spectrometer

an optical instrument for spectrographic analysis

an optical instrument, called spectroscope

optical properties

an optical instrument

an optical instrument

an optical device called radio telescope

telescopic vision

optical supplies

a telescope

Microscopic infrared spectrum analysis

a medical optical instrument called {isotope camera}

an optical device for viewing photographic transparencies

a lens or mirror used to concentrate light on an object, called a condenser

spectral emanations

a thing that reflects

an optical instrument called mineral microscope

an optical instrument called a Keplerian telescope

microscope

of or relating to or involving spectroscopy

the spectrum of visible rays of light

in physics in anisotropic crystallization, an optical axis

optically distorted

in geometric optics, a group of light rays

in optical science, the optical axis of lenses and spherical mirrors

optical instruments used by the military

a microscope that uses a visible ray, called an optical microscope