transit instrument

基本解釋

This system not only can simulate track training in offline, but also simulate operation training with an additional transit instrument.
既可進行機下計算機模擬跟蹤訓練，也可加掛經(jīng)緯儀進行模擬實操訓練。
Simulant system for training comprise of the transit instrument which has been provided by optical measure equipment without any change and the newly developed simulant sub-system for training.
模擬訓練系統(tǒng)由原經(jīng)緯儀和新研制的模擬訓練分系統(tǒng)組成，模擬訓練系統(tǒng)不對經(jīng)緯儀做任何改動。
The methods for reduction results are discussed in our paper Especially, the improvment for the error of the azimuth depended on the working catalogue and the transit instrument has been discussed.
本文討論了本星表的歸算方法，并對中星儀的方位誤差的改進提出了方案。這個方案已在陜西天文臺的儀器上進行了實驗，結(jié)果證明方位誤差明顯得到了改善。

an astronomical instrument, mounted on an E-W axis, in which the reticle of a telescope is always in the plane of the meridian. It is used to time the transit of a star, etc, across the meridian