追踪

The top rover scientist, Steve Squyres of Cornell University, told reporters their new plan is to use the rover as a radio beacon, to enable scientists to very accurately track the rover's motion through space.

火星车的顶级科学家，康奈尔大学的史蒂夫斯奎尔斯对记者说，他们的新计划是利用无线电航标的月球车，使科学家能够非常精确地追踪太空漫游者的议案。

They wanted a radio frequency identification system to be able to follow a sheep from birth to market.

他们希望通过无线电的频率识别系统，能够追踪绵羊从出生到进入市场的过程。

Many "brand protection" firms have also started to peddle radio-frequency identification technology to help companies track shipments.

许多的"品牌保护"公司也已经开始贩卖无线识别科技来帮助企业追踪他们的产品。

A radioactive isotope of iodine widely used as a tracer in medical diagnosis .

放射性碘碘的一种放射性同位素，广泛地用于医学诊断作为追踪剂

For instance, a compound can be synthesized with one of the atoms replaced by a radioactive isotope of the element.

例如，用某种放射性元素来代替原来的元素合成某一化合物，则放射性就可追踪这一化合物的合成过程。

The control of car following is one of the important methods for its rapidity and safety.

对车辆追踪运行进行控制，是实现车辆安全、快捷运行的重要手段之一。

In this article we will add shadows to our ray tracing.

在本文中，我们将增加我们的阴影光线追踪。

This is a ray tracing of the source, I hope to give those who need a little help.

详细说明：这是一个射线追踪的源码，希望能给需要的人一点帮助。

The speed and precision of ray tracing affect the quality of statics and migration for seismic data.

射线追踪的速度和精度直接影响地震资料的静校正和偏移成像的质量。

In this paper,we introduce a kind of surface rendering method based on ray tracing algorithm.

光线追踪算法是国际上广为流行的一种真实感图形的生成算法。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。