Measurer

例句:

• But Huygens, the great Dutch scientist, about 1556 was the first to explain the principles and properties of the pendulum as a time measurer and to apply it most successfully to clocks. 威廉·亨利·杜利特. 世纪发明.
• An instrument called a cyanometer, meaning measurer of blue, is used for ascertaining the intensity of color in the sky. 佚名. 神奇的知识之书.
• His skill as a painter of glass, as a draughtsman, and land-measurer, would earn him a living wherever he might go. 鲁伯特·萨金特·荷兰. 历史性发明.
• Where churches were being built he painted glass, where towns or nobles needed measurers or surveyors of their lands he worked for them. 鲁伯特·萨金特·荷兰. 历史性发明.
• Weight clocks had been in use as t ime-measurers since the thirteenth century, but they were, as we have seen, difficult to control and otherwise unreliable. 李贝. 西洋科学史.

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