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- portable magnetic observatory 轻便地磁台
- Automatic Standard Magnetic Observatory 自动标准地磁观测台
- Coast and Geodetic Magnetic Observatory 海岸与地磁观测台
- portable magnetic tape recording [人]佩带式磁带记录法
- portable magnetic susceptibility meter 便携式磁化率测定器
- portable magnetic thickness gage 轻便磁性测厚仪
- Using data from many magnetic observatories, geophysicists can make mathematical representations of the field and how it is changing. 利用许多地磁观测站的资料，地球物理学家对磁场及其变化方式进行数学描述。
- Using data from many magnetic observatories,geophysicists can make mathematical representations of the field and how it is changing. 利用许多地磁观测站的资料，地球物理学家对磁场及其变化方式进行数学描述。
- A Portable Magnetic Flux Leakage Detector for Tank Floors 便携式储罐底板漏磁检测器的研制
- Portable magnetic Shielding Effectiveness Measurement Device 小型脉冲磁场屏蔽效能测试设备
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- Completely portable and very light weight. 便携式的，而且重量很轻。
- Portable telephones are very popular nowadays. 现今，移动电话非常普及。
- He found that little TV extremely portable. 他觉得那台小小的电视机携带极其方便。
- I bought my son a portable typewriter. 我给儿子买了一台手提式打字机。
- The document had been typed on a small portable. 这份文件是用便携式打字机打的。
- The new portable computers are going like hot cakes. 新的便携式计算机卖得很快。
- Possible seismomagnetic effect existed in the geomagnetic Sq variations of the Kanoya magnetic observatory 日本鹿屋台地磁静日变化中可能存在的震磁效应
- She traded her roller-skates for Billy's portable radio. 她拿旱冰鞋换了比利的手提收音机。
- The documents have been typed into a portable computer. 文件已经被输入到一台便携式电脑里了。
