| 单词 | optical instrument |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Iceland spar〕A doubly refracting transparent calcite used in optical instruments.冰洲石：一种双折射透明方解石，用于光学仪器美国传统〔amnioscopy〕Examination of the amniotic cavity and fetus using an optical instrument that is inserted directly into the amniotic cavity.羊膜内视镜检法：把光学仪器直接插入羊膜腔以观察羊膜腔及胎儿美国传统〔chronoscope〕An optical instrument for the precise measurement of very small time intervals.瞬时计：精确测量很小时间间隔的光学仪器美国传统〔cross hair〕Either of two fine strands of wire crossed in the focus of the eyepiece of an optical instrument and used as a calibration or sighting reference.十字丝：呈十字形交叉于光学仪器的目镜焦点上的两根细丝之一，用于校准或瞄准参考美国传统〔fiduciary〕Of, relating to, or being a system of marking in the field of view of an optical instrument that is used as a reference point or measuring scale.参照的：属于、关于或作为光学仪器视野中的标点系统的，该系统用作参照点或衡量尺度美国传统〔glass〕To scan (a tract of land or forest, for example) with an optical instrument.了望，审视：用光学仪器了望（例如，一片土地或森林）美国传统〔glass〕To use an optical instrument, as in looking for game.用光学仪器眺望，如观看比赛美国传统〔goniometer〕An optical instrument for measuring crystal angles, as between crystal faces.测角器：一种光学仪器，用来测量晶体两个面之间的角度美国传统〔naked eye〕The eye unassisted by an optical instrument.肉眼：不用视觉仪器辅助的眼睛美国传统〔ocular〕The eyepiece of an optical instrument.光学仪器的目镜美国传统〔optical〕Telescopes and microscopes are optical instruments.望远镜和显微镜是有助于视力的仪器。英汉大词典〔optical〕The company manufactures microscopes, telescopes, and other optical instruments.这家公司生产显微镜、望远镜以及其他光学仪器。韦氏高阶〔optician〕One that sells lenses, eyeglasses, and other optical instruments.眼镜商，光学仪器商：出售光学仪器、眼镜或其它光学仪器的人美国传统〔optic〕Any of the lenses, prisms, or mirrors of an optical instrument.光学镜：光学仪器的透镜、棱镜或平面镜美国传统〔orthoscopic〕Giving an undistorted image. Used of an optical instrument.给出正确映像的。用于指光学仪器美国传统〔power〕A measure of the magnification of an optical instrument, such as a microscope or telescope.倍率：光学仪器，如显微镜或望远镜的放大倍数美国传统〔reticle〕A grid or pattern placed in the eyepiece of an optical instrument, used to establish scale or position.标线片，标线：置于光学仪器目镜中的格子或图式，用以确定大小或位置美国传统〔rock crystal〕Colorless, transparent quartz, used in optical instruments and as a semiprecious gemstone.水晶：用于制造光学仪器及用作价格一般的宝石的无色透明石英美国传统〔speculum〕A mirror or polished metal plate used as a reflector in optical instruments.反射镜：光学仪器中用作反射镜的镜子或抛光的金属盘美国传统〔stereoscope〕An optical instrument with two eyepieces used to impart a three-dimensional effect to two photographs of the same scene taken at slightly different angles.体视镜：一种具有两个视孔的光学仪器，用于使两张同一物体在略有不同的角度拍摄的照片看起来具有三维效果美国传统 |
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