有许多方法来确定磁场周围的磁力分布状况。

润滑良好可保护轴承不受损伤。

E-Chemmerce now offers two main levels of online business intelligence on chemical, plastic and energy e-commerce.

These images tend to exaggerate the robot’s similarity to human anatomy and behavior.

Aluminum remained an expensive rarity till the discovery of the electrolytic process for reducing aluminum in 1886.

这些概念常常夸大了机器人与人类在形体和行为方面的相似之处。

《电子化工商务》目前主要提供两个层次的有关化学、塑料和能源电子商务的在线商务信息服务。

直到1886年人们发现电解法还原铝之前，铝一直是一种昂贵的珍品。

Since some materials are not damaged easily as others, the possibility exists of developing radiation-resistant parts.

由于有些材料不像另一些那样容易被损坏，所以有可能研制出防辐射的零件。

2.4 词的增译

第4节 翻译练习2

第4节 翻译练习1

This action externally appears like the discharge of a capacitor.

Once out of the earth’s gravity, an astronaut is affected by still another problem--- weightlessness. By minimizing the microscopic imperfections scientists are making far stronger ceramics. 这一作用从外表上看来像电容器的放电现象。

一旦离开了地球的引力范围，宇航员又遇到了另一个问题——失重。

科学家们正通过最大限度地减小微观缺陷来制造强度高得多的陶瓷。

Atomic cells are small and very light, as compared to ordinary dry ones.

Transistors can make previously large equipment much smaller.

Astronomers have evidence of a few other stars too, which might have black holes as companions. 天文学家有证据表明，还有其他一些恒星也可能有黑洞作为伴星。

和普通电池相比，原子电池体积小、重量轻。

晶体管能使原先体积大的设备变得小得多。

The key to the new materials is researchers’ increasing ability to manipulate substances at the molecular level.

The largest and most expensive products cannot, because of their size, be testable in the factory. Cold rolling enables the operators to produce rolls of accuracy and uniformity, and with a better surface finish.

最大最贵的产品，因为体积大，在该工厂里是不能检验的。

开发新材料的关键在于研究人员不断提高在分子一级上处理物质的能力。

冷轧可使操作工生产出精确度高、均匀度好的轧制件，并具有更好的表面光洁度。 All these factors play a key role in formulation of the model.

PCs are not the most stable, and with video editing you have to be extra careful.

This method makes it easy to identify the various components.

在拟订模型时，所有这些因素都将起到关键性的作用。

这个方法使人们很容易识别各种不同的构成成分。

个人电脑一般并不太稳定，所以，进行视频编辑时需要加倍小心。

第4节 翻译练习2