1·The longer line represents the positive pole .
较长的线代表正极。
2·Drag onto the page. the longer line represents the positive pole.
拖到绘图页上。较长的线代表正极。
3·The action of the negative pole of a magnetic needle is just as real as the action of the positive pole.
一根磁针的磁极作用，无论正负都是一样的真实。
4·The action of the negative pole of a magnetic needle is just as real as the action of the positive pole .
这个效应表明，有一种垂直于圈平面的力作用在磁极上。
5·This paper introduced the design of a new type salt heat exchanger on the principle of sacrifice of the positive pole.
本文针对盐水预热器的破坏特征，以阳极牺牲法为依据，设计了一种新型盐水预热器。
6·This article introduces in detail the design and the installation process of sacrificed positive pole protection system.
文章具体地介绍了牺牲阳极保护系统的设计及安装工艺。
7·The second voltage and the reference voltage are respectively inputted to a negative pole and a positive pole of a first comparator.
所述第二电压和所述参考电压分别输 入第一比较器的负极和正极；
8·When the protruding positive pole contacts the battery contact elastic piece, the protruding positive pole will contact the contact piece.
当电池的凸出正极接触电池接触弹片时，凸出正极会接触到接触片。
9·The action of the negative pole of a magnetic needle is just as real as the action of the positive pole. To decline is to accept — the other alternative.
一根磁针阴极的作用和阳极的作用都是一相真实的；拒绝也是一种接受——这些都是二中择一的选择。
10·The primary battery is composed of manganese dioxide used as a positive pole, metallic lithium uses as a negative electrode and organic electrolyte solution.
该产品以二氧化锰为正极，金属锂为负极，及有机电解质溶液组成。
1·I watched skeptically as he wrapped a tin can with a piece of drawing paper dampened with a special liquid, then linked the can to the positive pole of a battery.
我心怀疑虑地看着他用一张被特殊溶液浸湿的图画纸把一只锡罐包起来，然后将锡罐与电池的正极连接好。
2·Drag onto the page. the longer line represents the positive pole.
拖到绘图页上。较长的线代表正极。
3·The longer line represents the positive pole .
较长的线代表正极。
1·This paper introduced the design of a new type salt heat exchanger on the principle of sacrifice of the positive pole.
本文针对盐水预热器的破坏特征，以阳极牺牲法为依据，设计了一种新型盐水预热器。
2·Make an approach to the factors that effect the quality of cast aluminium positive pole oxidized colouring, based on this optimum technology, find out the way of getting the optimum membrane layer.
探讨了影响铸铝阳极氧化染色质量的因素，据此优化工艺，找出得到最佳膜层的方法。
3·This article introduces in detail the design and the installation process of sacrificed positive pole protection system.
文章具体地介绍了牺牲阳极保护系统的设计及安装工艺。