基準用英语怎么说

基準的英文：
[Geography] datum

The geography of manufacturing is complex.
制造业的地理分布十分复杂。

He make a careful study of the geography of the province.
他仔细研究了该省的地形 。

History and geography have conspired to bring Greece to a moment of decision.
历史和地理因素共同将希腊推至作出抉择的紧要关头。

In their geography class, the children are doing a special project on North American Indians.
在地理课上，孩子们正在做一个有关北美印第安人的特别作业。

He was able to produce a geography book containing an atlas of maps of the known world.
他编写了一部地理书，书中绘制了一套当时世界的地图册。

Each datum has a unique key.
每个数据都有一个独特的键。

These facts of responsibility are an anthropological datums- varied and multiform
这些道德事实是一种人类学资料——性质不同，形式各异。

Let's get back to the datum to be explained.
让我们回到要解释的这份资料。

These facts of responsibility are an anthropological datums- varied and multiform.
这些道德事实是一种人类学资料——性质不同，形式各异。

The following requirements must be met in using datum instruments of measurement (hereinafter referred to as datum instruments)
计量基准器具(简称计量基准,下同)的使用必须具备下列条件