您要查找的是不是：
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- biological cathode 生物阴极
- German physicist. He won a1905 Nobel Prize for his work on cathode rays. 勒纳，菲利普1862－1947德国物理学家。因在阴极射线方面的成果而荣获1905年诺贝尔奖
- The convention bans the stockpiling of biological weapons. 该公约禁止储存生物武器。
- The application of mathematical principles to biological processes. 生物数学应用于生物学过程的数学原理
- Color cathode ray tube shielded band. 彩色显像管用带钢。
- An electron tubewith a photosensitive cathode. 光电管具有感光的阴极电子管。
- A cathode ray tube is shaped like a large bell. 阴极射线管的形状象个大铃铛。
- Buying Copper Cathode FOB Or CIF. 信息主题:美国求购铜。
- The biological study of bodies of water. 水生物学研究水体的生物学
- A hollow cathode CW silver ion laser at 4788 ? 银离子空心阴极4788埃激光器
- Cathode rays are attracted by a positive charge. 阴极射线被阳电荷所吸引。
- A series of batch biological reactors are used. 可用一组间歇式生物反应器。
- Change the Zinc block of cathode Protection. 换阴极保护用的锌棒。
- Human biological rhythms are related to the natural cycle of day and night. 人的生物节奏与昼夜的自然循环有关。
- Songs and laughter lubricate the biological clock. 歌声笑语可使人体生物钟顺畅运转。
- Upgrade design of a thermionic cathode RF gun[J]. 引用该论文 吴钢;杨学平;耿顺才;王言山.
