《dioptra》怎以读
英 [daɪ'ɒptrə]
美 [daɪ'ɒptrə]
《dioptra》是什么意思
测量高度及角度用的一种光学装置；
英英释义
Dioptra
- A dioptra () is a classical astronomical and surveying instrument, dating from the 3rd century BCE. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand.
以上来源于:Wikipedia
学习《dioptra》怎么用
权威例句
INSTRUMENTACION PARA LA TOPOGRAFIA Y SU“动姐”必须“动人”DioptraDioptraHeron's Dioptra 35 and Analemma Methods: An Astronomical Determination of the Distance between Two CitiesHeron's DioptraWhen did Michael Psellus die? The evidence of the Dioptra : Byzantinische ZeitschriftUno strumento astronomico descritto nel corpus Archimedeo: la dioptra di Archimede.A Detail of Heron's DioptraThe scribes ancient copies of Dioptra by Philip Solitarius from Kirillo-Belozersky Monastery