horizon glass
horizon glass 双语例句
The principles and a description of the main parts of the new instruments are as follows:(1)By means of a fused quartz mirror system and mercury horizon(shown in fig.4), a telescope with a fixed glass grid, three photomultipliers with respective a. c. amplifiers and a time recorder, the astrolabe can determine the time of almu- cantar transit of a star...
新仪器的特点如下：(1)借助熔石英角镜组和汞地平、一架望远镜和固定的玻璃记录栅、三个光电倍增管及其交流放大器和一架计时仪，此仪器能无人差地测定星过等高圈时刻。
horizon glass
相关单词辨析
这组词都有“杯，杯子”的意思，其区别是：
mug: 通常指周边垂直，不用茶托的有柄大瓷杯或大金属杯。
cup: 指有柄，用来饮茶或咖啡等的瓷杯。
glass: 指玻璃制的杯子，用来盛酒和牛奶等东西。