It rained; therefore the track and field meet was put off.

International Track and Field Organzia tions and world Tournments.

世界田径组织及国际性大赛.

Athletic events are divided into two broad categories-track and field.

田径项目被分为两大类 -- 田赛和径赛.

This is a track-laying machine.

这是一台铺轨机.

In 2006, the scroll wheel was replaced with a trackball on the front of the device.

2006年滚轮被一个置于手机正面的轨迹球取代.

Adjust how much your pointer accelerates as you move your mouse or trackball faster.

调整指针在您加快移动鼠标或滚球时加速多少.

The trackball products are rare products now , a handful of manufacturer in Taiwan still making it.

说起来还颇神奇,制作这个产品的灵魂人物, 对于轨迹球很有独到的见解.

A mouse takes much more room than a trackball.

鼠标要比轨迹球占地方的多.

This system can serve as a natural and convenient user input device , replacing mouse and trackball.

进一步的实验证明,基于视觉的交互系统是一种自然舒适,符合人体感官的用户界面.

A trackball has the ball on top and you move it with your finger.

还有其他一些类似鼠标的设备能代替鼠标的工作.

Star tracker parameters such as the focus and principal offset greatly affect the system accuracy.

星敏感器焦距和主光轴偏心等参数对整个系统产生较大的影响.

Sun Tracker is an accurate and easy to use sun position calculator.

太阳跟踪器是一个准确和易于使用的计算器太阳的位置.

Calibration experiments were made by CMM and laser tracker as main measuring methods.

以三坐标测量机和激光跟踪仪为主要测量手段进行了标定试验.

The working principle and advantage of the Laser tracker system are mainly introduced in this article.

主要介绍了激光跟踪测量系统的原理和优点.

Can you lead the tracker away from here?

你们能把追踪者引离这个方向 吗 ?

A device tracker gateway can have up to two subordinate gateways: one SMTP and one UDP.

设备跟踪器网关最多可以拥有两个下级网关: 一个SMTP网关和一个UDP网关.

Why do I need a tracker?

我为什么需要一个追踪者?

This might be the basis a decentralized, distributed issue tracker.

这可能是分散 、 分布式问题跟踪器的基础.

Dave: He couldn't have told you. Only a few people at Web Tracker know about me.

戴夫: 他不可能会跟你说的. “网路搜寻家”只有少数人知道我.

Bugs and feature requests can be entered at our bug tracker.

缺陷报告和特性请求可以发到我们的缺陷跟踪.

When morning arrives, the tracker is in state A from the previous day.

当清晨来临之际, 跟踪是A国的前一天.