polar telescope

基本解釋

As often seen through an astronomical telescope eyepiece, the planet's orientation is inverted, with Mars' north polar cap at the bottom.
由于往往是通過(guò)天文望遠(yuǎn)鏡的目鏡拍攝，火星的方向是顛倒的，行星的北極冠在下面。
An optical telescope with a micrometer is used to precisely adjust the polar axis of an equatorial radio telescope and any precise dial and clock will not be needed.
使用一具附有測(cè)微器的光學(xué)望遠(yuǎn)鏡配合赤道式射電望遠(yuǎn)鏡進(jìn)行極軸精密調(diào)整，不需用精確的度盤和記時(shí)設(shè)備。
Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.
松開赤經(jīng)制動(dòng)鈕并使望遠(yuǎn)鏡圍繞極軸旋轉(zhuǎn)用以設(shè)置日期刻度盤上的觀測(cè)日期對(duì)準(zhǔn)赤經(jīng)兼小時(shí)刻度盤上的觀測(cè)時(shí)點(diǎn)。
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