Term 术语 Definition 定义
telemotor
遥控马达(发电机),液压操舵机
A hydraulic or electrical device control­ling the action of power at a distance, specifically, a device which controls the steering gear of... more
A hydraulic or electrical device control­ling the action of power at a distance, specifically, a device which controls the steering gear of a ship.
远距离控制电力作用的液压装置或电力装置,尤其指控制船只舵轮的装置。
telescope
望远镜
An optical instrument used as an aid in viewing or photographing distant objects, particularly celestial objects.
一种光学仪器,用于帮助观察远处的物体(尤指天体)或摄取其照片。
telescope: meridian
子午仪
A TELESCOPE whose motion along a VERTICAL CIRCLE is intended to lie in the plane of the MERIDIAN.
沿着垂直圈观察时总是位于子午面内的望远镜。
telescope: photo zenithal
摄影天顶望远镜
An instrument designed to take photos of stars culminating close to the zenith of a station in order to determine the position of the statio... more
An instrument designed to take photos of stars culminating close to the zenith of a station in order to determine the position of the station with high accuracy.
通过拍摄测站天顶附近的星体照片精确确定测站位置的仪器。
telescope: reflecting
反射望远镜
A TELESCOPE which collects light by means of a concave MIRROR.
使用凹镜聚集光束的望远镜。
telescope: refracting
折射望远镜
A TELESCOPE which collects light by means of a LENS or system of LENSES.
通过使用单个透镜或多组透镜聚集光束的望远镜。
telescope: zenith
天顶仪
An astronomical instrument for deter­mining the LATITUDE by observing ZENITH DISTANCES of two STARS that culminate as close as possible in ... more
An astronomical instrument for deter­mining the LATITUDE by observing ZENITH DISTANCES of two STARS that culminate as close as possible in TIME, and at nearly the same ALTITUDE on opposite sides of the ZENITH.
一种天文仪器,它通过观测中天的、尽可能相近的并几乎在天顶两侧相同高度的两颗星的天顶距来测定纬... more
一种天文仪器,它通过观测中天的、尽可能相近的并几乎在天顶两侧相同高度的两颗星的天顶距来测定纬度。
telescopic alidade
望远镜照准仪
See ALIDADE.
能在刻度盘上旋转的照准具。经纬仪的上部分。地形测量用的照准仪由一个带望远镜的直尺或其他照准设... more
能在刻度盘上旋转的照准具。经纬仪的上部分。地形测量用的照准仪由一个带望远镜的直尺或其他照准设备组成,用于在平板仪外业原图上标出照准的方向。该术语也用来描述方位盘,该方位盘装有便于方位观测的望远镜。如果仪器上装有望远镜,则称为telescopic alidade。
telltale compass
警告罗经;舵角指示器
See COMPASS.
一种颠倒式罗经,从甲板上挂到船长室以便于观看。
telluric current(s)
(大)地电流
See CURRENT: TELLURIC.
在大尺度内的地表或地表附近流动的天然电流。亦称earth current。
temperature
温度
The intensity or degree of heat.
热的强度或热度。
temperature correction (levelling)
温度校准;气温改正
That CORRECTION which is applied to an observed difference of ELEVATION to correct for the ERROR introduced when the tempe­rature at which ... more
That CORRECTION which is applied to an observed difference of ELEVATION to correct for the ERROR introduced when the tempe­rature at which the LEVELLING RODS are used in the field is different from the temperature at which they were standardized.
对观测高差所作的改正,目的是改正在非标准温度下使用水准尺所引起的误差。
temperature correction (tape)
温度改正
See TAPE: TEMPERA­TURE CORRECTION.
卷尺的标称长度与在非标准温度下的有效长度之间的差值。
temperature inversion
逆温
n OCEANOGRAPHY, a LAYER in which temperature increases with DEPTH. Also called inversion layer.
海洋学中随着深度而增温的水层,亦称inversion layer。
temperature lapse rate
温度递减率
Rate of decrease of tempera­ture with increasing HEIGHT; usually an average rate over a distance, for example 100 METRES, is conside­red.
随着高度的增加温度下降的速率;通常取某段距离,如100米的平均递减率。
temperature-salinity diagram
温盐图
The plot of temperature versus SALINITY data of a water column. The result is a DIAGRAM which identifies the water masses within the column,... more
The plot of temperature versus SALINITY data of a water column. The result is a DIAGRAM which identifies the water masses within the column, the column's stabil­ity, and indicates the σt value, and allows an estimate of the ACCURACY of the temperature and salinity measurements.
水柱温度与盐度的关系图。该图标记着水柱的水团、水柱的稳定性并表示出t值,可对温度和盐度测量的精... more
水柱温度与盐度的关系图。该图标记着水柱的水团、水柱的稳定性并表示出t值,可对温度和盐度测量的精度进行估算。
template (or templet)
样板,模板;辐射三角模片
(1) A pattern or guide, usually constructed of paper, plastic, or metal, used to shape, delimit, or locate an area. (2) A device used in RAD... more
(1) A pattern or guide, usually constructed of paper, plastic, or metal, used to shape, delimit, or locate an area. (2) A device used in RADIAL TRIANGULATION to represent the AERIAL PHOTOGRAPH; the template provides a record of the directions of RADIALS taken from the PHOTO­GRAPH. (3) A structure placed on the SEAFLOOR below a drilling RIG to guide the drill.
一种图或导板,通常由纸、塑料或金属组成,用于表示某一区域的形状、分界及位置。 辐射三角测量中用... more
一种图或导板,通常由纸、塑料或金属组成,用于表示某一区域的形状、分界及位置。 辐射三角测量中用来表示航摄像片的模板;该模板具有从像片上取得的辐射线方向的记录。
temporal
短暂的
(adj.). Pertaining to or limited by TIME.
暂存的或临时的。
temporal variation
时间变化
See MAGNETIC TEMPORAL VARIATION.
指地球磁场内的任何变化,它是时间的函数。
temporary magnetism
瞬变电磁
See 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。