|
|
Term | 术语 | Definition | 定义 |
|---|---|---|---|---|
|
|
magnetometer: cesium | 铯磁力仪
| An OPTICAL PUMPING MAGNETOMETER which employs a cesium absorption cell. | 采用铯作为吸收单元的光泵磁力仪。 |
|
|
magnetometer: flux-gate | 磁通门式磁力仪
| An instrument which uses a wire wound saturable core inductor to measure the EARTH'S MAGNETIC FIELD. | 一种使用金属丝缠绕而成的自饱和感应线圈的设备，用来测量地球的磁场。 |
|
|
magnetometer: helium | 氦磁力仪，氦磁强计
| An OPTICAL PUMPING MAGNETOMETER which employs a helium absorption cell. | 使用氦吸收元件的光泵磁力仪。 |
|
|
magnetometer: nuclear precession | NULL | A MAGNETOMETER that utilizes the precessional characteristics of hydrogen nuclei when in an ambient MAGNETIC FIELD. Also known as proton pr... more | NULL |
|
|
magnetometer: optical pumping | NULL | A highly sensitive MAGNETOMETER which employs a metastable helium or alkali metal absorption cell whose ATOMS absorb maximum energy from a... more | NULL |
|
|
magnetometer: proton precession | NULL | See MAGNETOMETER: NUCLEAR PRECESSION. | NULL |
|
|
magnetometer: quartz horizontal | NULL | A MAGNETOMETER in which the torque exerted on a suspended MAGNET by the EARTH's horizontal MAGNETIC FIELD is balanced against the torque ... more | NULL |
|
|
magnetometer: rubidium vapour | NULL | An OPTICAL PUMPING MAGNETOMETER which employs a rubidium vapour absorption cell. | NULL |
|
|
magnetometer: transit | 地磁经纬仪 | An instrument used primarily for observing the declination of the EARTH'S MAGNETIC FIELD. | 主要用于观测地球磁场偏角的仪器。 |
|
|
magnetometer: unifilar | 单丝磁力仪
| A MAGNETOMETER, designed for use on SHORE, employed to measure the horizontal intensity of the EARTH's MAGNETISM; it can also be used to det... more | 一种为了在海岸上使用而设计的磁力仪，用于测量地磁的水平强度；亦能用于测定磁差。 |
|
|
magnetometer: vector airborne | 航空磁力仪
| A FLUX-GATE MAGNETOMETER which measures the intensity and direction of the EARTH'S MAGNETIC FIELD from an aircraft. | 从飞机上测量地球磁场强度和方向的磁通门式磁力仪。 |
|
|
magnetometer survey | 磁力仪测量
| See SURVEY. | 利用地磁仪对地球磁场的测量。 |
|
|
magnetometric zero balance | 归零磁力仪
| A MAGNETIC OBSERVATORY instrument used for accurate measurement of the vertical component of the EARTH'S MAGNETIC FIELD. | 用于地球磁场垂直分量精确测量的地磁台仪器。 |
|
|
magnetostriction | 磁致伸缩
| The PHENOMENON wherein ferromagnetic material experience an elastic strain when subjected to an external MAGNETIC FIELD. Also, the convers... more | 铁磁材料受外磁场作用而产生弹性形变的现象。其逆现象为铁磁材料因机械应力而产生磁感应变化。 |
|
|
magnetostriction transducer | 磁致伸缩换能器
| See TRANSDUCER. | 其工作取决于磁性与具有磁致伸缩特性物质的应变之间的相互作用的换能器。 |
|
|
magnetron | 磁控管
| An electron tube for converting direct-current energy into radio-frequency energy by means of a MAGNETIC FIELD. | 利用磁场将直流电能转化为射频能量的电子管。 |
|
|
magnification | 放大
| The apparent enlargement of anything. In optics, the term relates to the properties of LENSES and LENS SYSTEMS to produce an IMAGE which dif... more | 任何事物的明显扩大。在光学中，此术语涉及到透镜和透镜系统能够产生与相关对象尺寸不同的图像的特... more |
|
|
magnifying glass | 放大镜
| A LENS or combination of LENSES that increases the apparent size of an object seen through it. | 透过其观看，能够增大观测对象表观尺寸的透镜或透镜的组合。 |
|
|
magnifying power | 放大率
| The ratio of the apparent length of a linear dimension as seen through an optical instrument to that seen by the unaided eye. Sometimes sh... more | 通过光学仪器观测的线性尺寸表观长度与肉眼观测的比值。有时简写为power。 |
|
|
magnitude | 量级；星等
| The importance, quality or size of something. In ASTRONOMY, relative brightness of a CELESTIAL BODY. According to the accepted classifica... more | 某物在重要性、品质或尺寸方面的等级。
在天文学中，指天体的相对亮度。按照公认的分类，一等（亮度... more |