Term 术语 Definition 定义
magnetic retentivity
顽磁性 ,保磁性
The ability to retain MAGNETISM after removal of the mag­netizing force. Also called remanence.
去除磁化力后保持磁性的能力。亦称remanence(剩磁)。
magnetic secular change
长期磁变
The temporal variation in the value of a MAGNETIC ELEMENT which occurs over a period of years.
以多年为周期地磁要素值出现的时变。
magnetic station
地磁观测站
See STATION.
进行任何一组磁力观测的地理位置。
magnetic storm
磁暴
A distur­bance in the EARTH'S MAGNETIC FIELD, associated with abnormal solar activity, and capable of seriously affect­ing both radio and ... more
A distur­bance in the EARTH'S MAGNETIC FIELD, associated with abnormal solar activity, and capable of seriously affect­ing both radio and wire transmission.
与异常太阳活动有关的地磁扰动,能够严重影响无线和有线传输。
magnetic survey
地磁测量
See SURVEY.
在地球表面或近地面进行的对指定点处地球磁场强度和方向的测量。
magnetic temporal variation
磁时变
Any change in the EARTH'S MAGNETIC FIELD which is a function of time. Also refer­red to as temporal variation.
地球磁场的任何变化,是时间的函数。亦称temporal variation(时间变化)。
magnetic variation
磁变,磁差
See VARIATION.
参见variation(磁差)。
magnetism
磁力,磁性
The ability to attract magnetic material, notably iron and steel.
吸引磁性材料的能力,特别是铁和钢。
magnetism: induced
感生磁性
MAGNETISM acquired by a piece of magnetic material while it is in a MAGNETIC FIELD.
一块磁性材料在磁场中获得的磁力。
magnetism: permanent
永磁性
MAGNETISM which is retained for long periods without appreciable reduction, unless the MAGNET is subjected to a demagnetizing force. Because... more
MAGNETISM which is retained for long periods without appreciable reduction, unless the MAGNET is subjected to a demagnetizing force. Because of the slow dissipation of such MAGNETISM, it is sometimes called subpermanent magnetism.
能够长时期保持磁性且无可感知的减弱的性质,除非受到退磁力影响。因该种磁性消散缓慢,有时称之为su... more
能够长时期保持磁性且无可感知的减弱的性质,除非受到退磁力影响。因该种磁性消散缓慢,有时称之为subpermanent magnetism(次恒磁)。
magnetism: residual
残磁,残磁性
MAG­NETISM which remains after removal of the magnetizing force.
指撤除磁化力后仍剩余的磁性。
magnetism: subpermanent
半永久磁性;次恒磁
See MAGNETISM: PERMANENT.
指磁铁除非遭受消磁处理,否则它的磁性能保持很长时期而不会显著减弱,因为这种磁性的消散缓慢,有... more
指磁铁除非遭受消磁处理,否则它的磁性能保持很长时期而不会显著减弱,因为这种磁性的消散缓慢,有时称之为subpermanent magnetism(次恒磁)。
magnetism: temporary
瞬变电磁
MAGNETISM of craft which changes in amount with every change of HEADING. Also called transient magnetism.
指船的磁力随着船首方向的每次变化而改变其数值。亦称transient magnetism。
magnetism: terrestrial
地磁学
See GEOMAGNETISM.
地球的磁性。亦称terrestrial magnetism。
magnetism: transient
瞬变电磁
See MAGNETISM: TEMPORARY.
指船的磁力随着船艏方向的每次变化而改变其数值。亦称transient magnetism。
magnetization
磁化(强)度
The degree to which a body is magnetiz­ed. The MAGNETIC MOMENT per unit volume. Also called inten­sity of magnetization.
物体被磁化的程度。用单位体积的磁矩表示。亦称intensity of magnetization(磁化强度)。
magnetize
使磁化
(v.t.). To produce magnetic properties. The opposite is DEMAGNETIZE.
(动词)。使物体产生磁性。反义词为退磁(demagnetize)。
magnetogram
地磁记录图
An analogue time record of the temporal variations in a MAGNETIC ELEMENT measured at a MAGNE­TIC OBSERVATORY.
在地磁台测量地磁要素时变的模拟时间记录图。
magnetograph
地磁(强度)记录仪
A MAGNETIC OBSERVATORY instrument consi­sting of one or more (usually 3) VARIOMETERS, one for each MAGNETIC ELEMENT recorded, and a recorde... more
A MAGNETIC OBSERVATORY instrument consi­sting of one or more (usually 3) VARIOMETERS, one for each MAGNETIC ELEMENT recorded, and a recorder.
由一个或多个(通常三个)用于记录某一地磁要素的磁变仪及一个记录器组成的地磁台设备。
magnetometer
磁力仪
An instrument for measuring the intensi­ty and/or the direction of the EARTH'S MAGNETIC FIELD.
用于测量地球磁场强度和(或)方向的仪器。