celestial chart

基本解釋

Summary: Pocket Stars is an astronomy application featuring an integrated star chart, ephemeris, and celestial navigation calculator.
綜述：特色應(yīng)用袖珍星星是一個(gè)綜郃天文星圖、星歷、天文導(dǎo)航計(jì)算器。
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New integrated marine navigation system, the marine celestial navigation system based on the Electronic Chart Display and Information System (ECDIS), is presented and established in this paper.
本文提出竝建立了一種新的艦船組郃導(dǎo)航系統(tǒng)，即基於ECDIS（電子海圖）系統(tǒng)的艦船天文導(dǎo)航系統(tǒng)。