When the position is related to a mark , the mark shall be a well-defined charted object.

当位置相对于某一标志时， 该标志必须是海图上明确标出的物标。

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Known as "computers", they charted the position, and brightness of stars on a daily basis by applying mathematical formulae to the observations of their male colleagues who watched the sky.

她们负责日常记录星球的位置和明亮程度，并对星象观察记录(当时观察星象主要由男性研究者负责)进行公式计算。

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