数据（名词datum的复数形式）

96. The datum from which the predicted heights of tides are reckoned in the tide tables is _____.

111. IDD is the abbreviation for international A: distress B: data C: datum D: direct

Accurate _____covering the fact are not available（） A: datum B: datums C: data D: datas

indicate that our theory is wrong. A: The datum B: The datums C: The datas D: The data

The positioning scheme of finish turning the main pin hole is（ ） A: The first positioning datum is the diameter 56 outer cylindrical surface to eliminate 4 uncertainties; the flange end and side surfaces eliminate 1 uncertainty respectively. B: The first positioning datum is the flange end to eliminate 3 uncertainties; the second positioning datum is the outer cylindrical surface with a diameter of 56 to eliminate 2 uncertainties; the side surface eliminates 1 uncertainty

土坝平面图的定位基准是什么?What is the locating datum of the earth dam plan?

中国大学MOOC: 土坝平面图的定位基准是什么?What is the locating datum of the earth dam plan?

The [img=49x51]1803a19b1abad0e.png[/img] is called the: A: datum feature symbol. B: tolerance. C: allowance. D: geometric characteristic symbol.

Which information is found in the chart title ______. A: Chart number B: Chart sounding datum C: Revision and edition date D: Variation information