您要查找的是不是：
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- magnetic attenuator 磁性衰减器
- It shows the presence of a magnetic field. 这表明有磁场存在。
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- Having the same magnetic inclination or dip. 等磁倾的有相同的磁倾斜的
- The block becomes magnetic when the current is switched on. 通电时线圈即具磁性。
- The PP198 is a passive 20:1 attenuator. PP198衰减器是一个无源的20:1衰减器。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- Forbidden City is a great magnet for foreign tourists. 紫禁城对外国旅游者来说是个有巨大吸引力的地方。
- The loop becomes magnetic when the current is switched on. 通电时线圈就会有磁性。
- The girl was drawn to the cartoon as by a magnet. 动画片强烈地吸引着那个小姑娘。
- A Micromachining Based Miniature Variable Optical Attenuator[J]. 引用该论文 万鹏;袁野;吴兴坤.
- Micromachining Based Direct-Coupled Variable Optical Attenuator[J]. 引用该论文 晏辉鸣;曹钟慧;吴兴坤.
- Independent attenuator,balanced device for every channel. 每路设有衰减器、均衡器。
- A design for a digitalized variable optical attenuator[J]. 引用该论文 曹钟慧;邹勇卓;吴兴坤.
- A piece of glass is laid on top of the magnet. 一块玻璃被搁在那磁铁的上面。
- A case containing magnetic tape in a reel; a cassette. 盘式磁带，卡带卷盘中装有磁带的盒子; 卡式磁带
