in relation to

关于, 和 ... 有关

例句与用法：

A device for converting energy form one form to another. In relation to computers, the term is applied to a read/write head, to detector of sector marks in a magnetic disc system, and to electronic/sonic pulse converters of delay line memory.

把能量从一种形式转换成另一种形式的装置。在与计算机有关时，这个术语用在磁盘系统中的读／写磁头、扇面标记的检测上，以及用在延迟线存储器的电子或声波脉冲变换器上。

A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel.

(聚焦区)无限远与光学系统(如照像镜头)有关的一个范围，表示距离是如此之远，以至于从在这一距离的物体上反射回来的光可以视为平行光线

The applied science of soils in relation to crops.

土壤学和作物相关的应用土壤学

I have nothing to say in relation to that matter.

关于那件事，我没什么好说的。

详细释义：

关于

I have a lot to say in relation to that affair.

关于那件事, 我有好多话要说。