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The infrared remote controller is a cheap, small, simple, reliable and effective product. It can effectively resist electromagnetic interference and ensure safe operation of the system. Using remote technology can reduce manipulative difficulty during soil bin testing and realize single operation of the whole system. Practical application many times demonstrated that the infrared remote controller can work reliably and improve work efficiency considerably.Besides control the movement of tester, the soil bin tester driving control system can adjust the tester speed by rule and line, which was impossible to former test equipments. The range can be adjusted from -1.45m/s to 1.45m/s, the positive and minus sign denotes the direction of tester running.

土槽台车动力控制系统的控制参数均通过人机交互界面输入；系统能够实现对台车行驶速度、位移和时间的实时采集、显示和存储功能，并设有对数据库的操作功能，方便试验人员对数据的查询、修改、删除和保存；试验过程中系统为试验人员提供了台车速度曲线，并能实时动态显示，用来监测台车的运行状况；为了确保试验过程中试验设备和人员的安全，系统增加了控制台车行驶位移和时间的功能；系统使用的防脉冲干扰平均值法处理采集的数据，剔除奇异项，减少了干扰在有用信号中的比重，并能直接显示出所采集数据的均值和方差，节省了处理数据所需的大量时间，提高了工作效率。

The conclusion is that, by some means, product design is similar to coding process of sign system.

得出的结论是产品设计从某种意义上来讲，正如同对一个符号系统进行编码的过程。

Nevertheless, use of a domain name as a sign in commerce may confer legalrights on the domain name registrant, according to the applicable national law, for example by means of unfair competition law.

但是，根据可适用的国家法律，比如，不正当竞争法，将一个域名作为符号用在商业上，可能授予域名注册人以法律权利。

Shortly before sunset, we arrived at Red Canyon and saw a State Highway 12 Scenie Byway sign.

KittyChu译：在日落前我们到达红峡谷，并看到12号州际公路的沿途旅游景观介绍看板。

The presence of the minus sign indicates that the current of 1.5 A flows from C to F, and not from F to C as shown.

负号的存在表明了 1-5A 的电流是从 C 流到 F 的，而不是像图中那样从 F 流到

I'd like to sign on as cabin boy.

我很想签约受雇，当一名水手。

There was no alternative, no fork in the road, just a big steel cable locked across the road with a "No Trespassing" sign.

别无他途，没有岔路口，只需一个大钢缆锁马路对面的"不擅入"的迹象。

Last spring, at an MS fund-raiser in Washington, D.C., I was about to sign books when I heard the old Bill Withers song "Lean on Me." I looked up. There on the screen, larger than life, was a photo of me with my head leaning on Jeanine's shoulder. The coordinator read a letter Jeanine had written: Jackie was popular; I was the little caboose.

去年春天，在华盛顿的一个多发性硬化症募集基金会上，当我正要开始签名售书时我听到了Bill Withers的歌"靠着我"，我抬起头看大屏幕，那是一张我把头靠在珍妮的肩膀上的照片，同期声响起，那是一封珍妮写的信：杰基（Jacquelyn的昵称）总是很受欢迎，我只是一节小车厢，但她选择了我，包容我。

Wearing the caftan is a sign of leisure.

长袍是休闲的服装

Look at the sign on the bird's cage. It , you eat and drink here.

看鸟笼上的那个标志，上面写着：你不应该在这儿吃喝。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。