The field produced by the electric charge moving relatively to the rest system of reference is discussed from the viewpoint of Special relativity.

根据狭义相对论，讨论相对于静止参照系运动的源电荷在空间产生的电场。

youdao

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。

youdao

In a reference counting system, each object referenced maintains a count of how many objects are referencing it.

在引用计数系统，每个所引用的对象都会保留一个计数，以获悉有多少对象正在引用它。

youdao

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

耶鲁公开课 - 基础物理课程节选

The Federal Rules of Evidence make reference to the importance of the oath in our judicial system.

CNN: Sen. Allard's closed-door impeachment statement

The Welsh government, in reference to some of these criticisms to the general system, says much of it relates to the former administration and it has already recognised many of the points.

BBC: Wales

In his budget speech, Gordon Brown, the chancellor of the exchequer, made passing reference to reviewing the whole system.

ECONOMIST: Saving pictures