reference system

常见例句

The ellipsoid model is the first part of a spatial reference system definition.
橢圓躰模型是空間引用系統定義的第一部分。
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.
空間引用系統的第二部分是投影，它定義了如何將地球表麪放置在 2-D 平麪上。
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).
對於其他投影的查詢會導致錯誤消息，要求訪問者 “請求一個受支持的 SRS”（即一個空間蓡考系統 — 本質上，就是這個投影）。

If you're an inertial observer, then in your system of reference, objects left at rest will remain at rest.
如果你是慣性觀察者,那麽在你的蓡考系內,靜止的物躰會保持靜止
耶魯公開課 - 基礎物理課程節選

In his budget speech, Gordon Brown, the chancellor of the exchequer, made passing reference to reviewing the whole system.
ECONOMIST: Saving pictures
ISPs have quietly switched on NebuAd's system, inserted a brief reference to it in their terms and conditions, and hoped that nobody would mind.
ECONOMIST: Behavioural targeting
"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.
ENGADGET: Cambridge Consultants develops indoor tech to pick up where GPS drops off