344-359) describes a micrometer in which a negative lens is introduced between the eye-piece and the objectglass.
双重图象测微表与分开透镜。各
各样
测微表被发明了除heliometer 以外为测量由重象。Ramsdens 屈光
测微表包括一个分开
透镜被安置在一台地球望远镜
架设
管
最内在
透镜
共轭焦点。
344-359) describes a micrometer in which a negative lens is introduced between the eye-piece and the objectglass.
双重图象测微表与分开透镜。各
各样
测微表被发明了除heliometer 以外为测量由重象。Ramsdens 屈光
测微表包括一个分开
透镜被安置在一台地球望远镜
架设
管
最内在
透镜
共轭焦点。
The coiled shapes of Trichinella isolated ML were observed under microscopes,then the lengths and widths of ML encystment(encysted index)were measured at random by micrometer.
镜下观察旋毛虫幼虫卷曲状态,用测微尺随机测量囊包长、宽。
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