Term 术语 Definition 定义
signal
信号;标志
As applied to electronics, any transmitted electrical IMPULSE. That which conveys intel­ligence in any form of commu­nication, such as a T... more
As applied to electronics, any transmitted electrical IMPULSE. That which conveys intel­ligence in any form of commu­nication, such as a TIME SIGNAL, a PIP on the SCOPE of electronic equipment, or an object marking the locati­on of a surveying STATION.
在电子学中,指任何发射的电子脉冲。在任何形式的传输中,指传送信息的载体。如时间信号、电子设备... more
在电子学中,指任何发射的电子脉冲。在任何形式的传输中,指传送信息的载体。如时间信号、电子设备显示器上的尖头脉冲,或者标记测站位置的物体。
signal: eccentric
偏心觇标
See ECCENTRIC SIGNAL.
一种不与其代表站点在同一条垂直线上的觇标。
signal: fog
雾号
See FOG SIGNAL.
在海面能见度不良期间,船舶或者助航设备发出的警告信号。
signal: hydrographic
海道测量标志
Any object, existing or specially erected, for the CONTROL of HYDROGRAPHIC SURVEY. See also SOUNDING MARK.
用于海道测量控制的现有或专门设立的目标。亦可参见sounding mark(测深标志)。
signal: longitude
经度信号
A sign indicating a time event, observable at different stations, and used in compa­ring LOCAL TIMES of those stations, and determin­ing t... more
A sign indicating a time event, observable at different stations, and used in compa­ring LOCAL TIMES of those stations, and determin­ing the difference of their LONGITUDES.
表示时间的信号,可在不同台站观测到,用于这些台站地方时的比较,并测定它们所处的不同经度。
signal: luminous
发光信号
In SURVEY­ING, a SIGNAL consisting of HELIOTROPE or HELIOSTAT by day, and SELENOTROPE or SIGNAL LAMP by night.
在测量作业中,由昼间定日镜(回光仪)或反光装置,和夜间回光仪或信号灯组成的发出信号。
signal: sound
音响信号
See SOUND SIGNAL.
为传递消息发出的任何声音信号。如雾号。
signal: survey
测量觇标
A natural or artificial object or struc­ture whose horizontal and sometimes vertical POSITION is obtained by surveying methods. Survey sign... more
A natural or artificial object or struc­ture whose horizontal and sometimes vertical POSITION is obtained by surveying methods. Survey signals are given special designation according to the kind of SURVEY in which they are determined, or which they may later serve.
天然的或人工的观测目标与结构,它们的平面位置,有时包括垂直位置是通过测量得到的。测量标志是按... more
天然的或人工的观测目标与结构,它们的平面位置,有时包括垂直位置是通过测量得到的。测量标志是按照测量的种类专门设计的,在某种测量中确定这些标志,在其它的测量中可能以后才用到它们。
signal: tidal current
NULL
A SIGNAL or message conveying information on condition of TIDAL CURRENT in the area in question.
NULL
signal: tide
潮汐信号
A SIGNAL or message conveying information on tidal conditions in the area in question.
传递有关区域潮汐状况的信号或讯息。
signal: time
时号
An accurate SIGNAL marking a specified TIME or time interval. It is used primarily for deter­min­ing ERRORS of TIMEPIECES. Such SIGNALS ar... more
An accurate SIGNAL marking a specified TIME or time interval. It is used primarily for deter­min­ing ERRORS of TIMEPIECES. Such SIGNALS are usually sent from an observatory by RADIO, but visual SIGNALS are used at some PORTS.
标定专用时间和时间间隔的精确信号,主要用于测定时计的误差。这种信号一般从天文台用无线电或电话... more
标定专用时间和时间间隔的精确信号,主要用于测定时计的误差。这种信号一般从天文台用无线电或电话传送,而在港口则用视觉信号。
signal: topographic
地形测量标志
Any object, existing or specially erected, used for the CONTROL of TOPOGRAPHIC SURVEY.
任何用于地形测量控制的现存或专设的观测目标。
signal: triangulation
三角测量觇标
A rigid structure erected close or over a TRIANGULATION STATION. Also any object, natural or artificial, whose POSITION is obtained in a tri... more
A rigid structure erected close or over a TRIANGULATION STATION. Also any object, natural or artificial, whose POSITION is obtained in a triangulation survey. The term may be applied to a structure whose POSITION is determined by TRIANGULATI­ON, but whose primary purpose is to serve later in a HYDRO­GRAPHIC or TOPOGRAPHIC SURVEY, when it may become known as a HYDROGRAPHIC or TOPOGRAPHIC SIGNAL.
竖立在三角点之上或其旁边的坚固结构,或指经三角测量获得其位置的天然及人工标志。此术语可指其位... more
竖立在三角点之上或其旁边的坚固结构,或指经三角测量获得其位置的天然及人工标志。此术语可指其位置由三角测量确定,但主要作为已知点用于海道测量标志或地形测量标志。
signal: tripod
三脚觇标
A three-legged TRIANGULATION SIGNAL. It is usually constructed in such a manner that an obser­ver can set up his THEODOLITE and make OBSERV... more
A three-legged TRIANGULATION SIGNAL. It is usually constructed in such a manner that an obser­ver can set up his THEODOLITE and make OBSERVA­TIONS without moving any of the structure.
三脚架形的三角测量觇标,施测者能把经纬仪安置于其上,并在不移动标的状态下实施观测。
signal: water
水上标志
A HYDROGRAPHIC SIGNAL erected in SHALLOW WATER.
设置在浅水区的海道测量标志。
signal: weather
天气信号
A visual SIGNAL displayed to indicate a WEATHER FORECAST.
用于标识天气预报的视觉信号。
signal lamp
信号灯
See LAMP.
一种小型,便携式的电池供电的灯,作为观测或高精度测量的目标使用。抛物面反光镜安装在专用盒中,... more
一种小型,便携式的电池供电的灯,作为观测或高精度测量的目标使用。抛物面反光镜安装在专用盒中,便于指示点位或校准。
signal station
信号台(站)
A place on SHORE from which SIGNALS are made to ships at sea.
对海上船舶发布各种信号的海岸场所。
signi
内水航标系统
Abbreviation for Signalisation de Navigation Intérieure. A system of buoyage used in certain inland waters in the Netherlands.
荷兰内陆水域所使用的一种浮标系统。Signi系Signalisation de Navigation Interieure的缩写。
sill
海槛
A SEAFLOOR barrier of relatively shallow DEPTH restricting water movement between BASINS.
海脊与海隆的低凹部分,分隔洋盆或把洋盆与其邻近的海床隔开。