dioptra音标
英 [daɪ'ɒptrə]
美 [daɪ'ɒptrə]
dioptra翻译
n.
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
dioptra用法
权威例句
INSTRUMENTACION PARA LA TOPOGRAFIA Y SU
“动姐”必须“动人”
Dioptra
Dioptra
Heron's Dioptra 35 and Analemma Methods: An Astronomical Determination of the Distance between Two Cities
Heron's Dioptra
When did Michael Psellus die? The evidence of the Dioptra : Byzantinische Zeitschrift
Uno strumento astronomico descritto nel corpus Archimedeo: la dioptra di Archimede.
A Detail of Heron's Dioptra
The scribes ancient copies of Dioptra by Philip Solitarius from Kirillo-Belozersky Monastery