X-datum line Y-datum line 穿孔卡片基准线
datum datum
基准数据
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Who or what is the anchor, rock, or stable datum in the modern family?
FORBES: Millennials Divorce Marriage (Part 2)
Yanked from her stable datum, Grandma implored Marilyn to say the new boyfriend was at least Catholic!
Her world revolved around the stable datum of her Polish-Catholic culture.
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