reference system

常见例句

The ellipsoid model is the first part of a spatial reference system definition.
椭圆体模型是空间引用系统定义的第一部分。
The second part of a spatial reference system is its projection, which defines how to lay out the Earth surface onto a 2-D surface.
空间引用系统的第二部分是投影，它定义了如何将地球表面放置在 2-D 平面上。
Queries for other projections result in an error message asking the visitor to "request a supported SRS" (that is, a spatial reference system — essentially, the projection).
对于其他投影的查询会导致错误消息，要求访问者 “请求一个受支持的 SRS”（即一个空间参考系统 — 本质上，就是这个投影）。

If you're an inertial observer, then in your system of reference, objects left at rest will remain at rest.
如果你是惯性观察者,那么在你的参考系内,静止的物体会保持静止
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In his budget speech, Gordon Brown, the chancellor of the exchequer, made passing reference to reviewing the whole system.
ECONOMIST: Saving pictures
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"Our biggest challenges were developing an algorithm which optimally combines the data from GPS and the other sensors, and overcoming the issues of using such low-cost sensors in a system without any absolute location reference, " said Smithson.
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