Chinese English

Appearance

View mode
Number of cards in a row Here you can select the number of cards to be placed in a row for each of supported screen resolutions. Your current resolution is highlighted in this way.
	Large desktop
	Desktop
	Tablet
	Phone

Page size

Total record count: 6216.

Records per page

	Term	术语	Definition	定义
	picture plane	图面，图像平面	A plane upon which a system of lines or RAYS from an object to form an IMAGE or picture can be projected. In perspective drawing, the system... more A plane upon which a system of lines or RAYS from an object to form an IMAGE or picture can be projected. In perspective drawing, the system of RAYS is understood to converge to a single point. In PHOTOGRAMMETRY, the PHOTOGRAPH is the picture plane.	一个平面，物体发出的一组线条或光线形成的影像或图片能够投影在该平面上。在透视绘图中，该组光线�... more 一个平面，物体发出的一组线条或光线形成的影像或图片能够投影在该平面上。在透视绘图中，该组光线可认为是集中在一点上的。在摄影测量学中，像片即是图面。
	piedmont	山麓的	(adj.). Situated or formed at the base of MOUNTAINS.	位于山脚或者形成于山脚下的。
	pie graph	饼图	Circular SYMBOL divided into sectors to indicate proportions of a total value.	通过划分为数个扇面来表示所占总值之比例的圆形符号。
	pier	码头，防波堤	A long, narrow structure extending into the water to afford a berthing place for vessels, to serve as a promenade, etc. See also JETTY.	一种延伸入水中的狭长建筑，为船只提供靠泊场地，也可作为堤顶通道使用。亦见jetty（码头）。
	pierhead	突堤头，码头顶部	The outer end of a PIER. Also called wharfhead.	突堤的外端。亦称wharfhead（码头顶部）。
	piezoelectric effect	压电效应	The PHENOMENON, exhibited by certain crystals, in which mechanical compression produces a potential difference between opposite crystal ... more The PHENOMENON, exhibited by certain crystals, in which mechanical compression produces a potential difference between opposite crystal faces, or, an applied electric field produces corresponding changes in dimensions.	特定的晶体所反映出的一种现象。在该晶体中，机械压力在相对晶面之间产生一种电位差或者外加电场使�... more 特定的晶体所反映出的一种现象。在该晶体中，机械压力在相对晶面之间产生一种电位差或者外加电场使其体积产生相应变化。
	piezoelectricity	压电现象	The property exhibited by some asymmetrical crystalline materials which when subjected to strain in suitable directions develop electr... more The property exhibited by some asymmetrical crystalline materials which when subjected to strain in suitable directions develop electric POLARIZATION proportional to the strain. Inverse piezoelectricity is the effect in which mechanical strain is produced in certain asymmetrical crystalline materials when subjected to an external electric field; the strain is proportional to the electric field.	某些非对称晶体材料所存在的特性。该材料当受到适当方向的应力时，产生与该应力成正比的电极化。当�... more 某些非对称晶体材料所存在的特性。该材料当受到适当方向的应力时，产生与该应力成正比的电极化。当受到外加电场作用时，在特定非对称晶体材料中产生机械应力（该应力与电场成正比例）即产生反向压电现象。
	piggot gun	皮戈特采泥枪，反冲取样管	A coring instrument for obtaining deep-sea BOTTOM SAMPLES. This instrument uses an explosive charge to drive a metal bit into the BOTTOM at ... more A coring instrument for obtaining deep-sea BOTTOM SAMPLES. This instrument uses an explosive charge to drive a metal bit into the BOTTOM at the instant the sharp end of the bit strikes the BOTTOM.	一种采取深海海底土样的取芯设备。该设备用射孔弹将金属钻头推向海底，瞬间钻头锋利的一段钻进底部�... more 一种采取深海海底土样的取芯设备。该设备用射孔弹将金属钻头推向海底，瞬间钻头锋利的一段钻进底部。
	pigmentation	染色，着色	A colouring of tissue by deposition of PIGMENTS.	由颜料沉淀而使组织染色。
	pigments	颜料	A colouring matter used as paint or dye or a natural colouring matter of a tissue.	一种用于涂染的有色物质或某组织的天然有色物质。
	pile	桩，柱	A long heavy timber or section of steel, wood, concrete, etc., forced into the earth or SEAFLOOR to serve as a support, as for a PIER, or t... more A long heavy timber or section of steel, wood, concrete, etc., forced into the earth or SEAFLOOR to serve as a support, as for a PIER, or to resist lateral pressure; or as a free standing pole within a marine environment.	插进地里或海床，用于支撑作为桥墩（码头）或承受旁压力或作为海洋环境中的自由支撑点的粗重长木棒�... more 插进地里或海床，用于支撑作为桥墩（码头）或承受旁压力或作为海洋环境中的自由支撑点的粗重长木棒、钢材、水泥等。
	piling	桩，排桩	A group of piles set in a row.	成排的一组桩。
	pillar buoy	柱形浮标	A BUOY composed of a tall central structure on a broad flat base.	一种浮标，由一个宽阔平坦的基座和基座中心上一个高而长的建筑物组成。
	pilot	引航员；航路指南	1. A person who directs the movements of a vessel through pilot waters, usually a person who has demonstrated extensive knowledge of channel... more 1. A person who directs the movements of a vessel through pilot waters, usually a person who has demonstrated extensive knowledge of channels, aids to navigation, dangers to navigation, etc., in a particular area and is licensed for that area. 2. A book of sailing directions.	1、指引船只通过引航区的人。通常指对某一特定区域的航道、助航设备、航行障碍物等具有深刻了解并获�... more 1、指引船只通过引航区的人。通常指对某一特定区域的航道、助航设备、航行障碍物等具有深刻了解并获准在该地区从事领航工作的人。 2、一种载明航路参数的书。
	pilot chart	引航（海）图	See CHART.	载有安全航行所需资料的海图，其内容有：海流、海上冰况、风向、风暴路径、等温线、磁差、大圆航线�... more 载有安全航行所需资料的海图，其内容有：海流、海上冰况、风向、风暴路径、等温线、磁差、大圆航线和信风范围等。
	pilot station	引航站	The office or headquarters of pilots; the place where the services of a pilot may be obtained.	引航员的办公室或总部；提供引航服务的地方。
	pilot waters	引航水域	Areas in which the services of a marine pilot are available. Waters in which NAVIGATION is by piloting. More usually called pilotage waters ... more Areas in which the services of a marine pilot are available. Waters in which NAVIGATION is by piloting. More usually called pilotage waters in British terminology.	能够提供海上引航服务的水域。通过引航进行航行的水域。在英国术语中更常称pilotage waters。
	pilotage waters	引航水域	See PILOT WATERS.	参见pilot waters（引航水域）。
	ping	声脉冲	An acoustic pulse signal projected by an underwater TRANSDUCER.	由水下换能器发射的声脉冲信号。
	pinger	脉冲定深器，声脉冲发送器	A battery powered acoustic device equipped with a TRANSDUCER that transmits SOUND WAVES. When the pinger is attached to a wire and lowered i... more A battery powered acoustic device equipped with a TRANSDUCER that transmits SOUND WAVES. When the pinger is attached to a wire and lowered into the water, the direct and bottom reflected sound can be monitored with a listening device. The difference between the arrival time of the DIRECT and REFLECTED WAVES is used to compute the distance of the pinger from the ocean bottom.	采用电池供电、配置有可传递声波的换能器的声学装置。将脉冲定深器接上线，放入水中，即可用监听装�... more 采用电池供电、配置有可传递声波的换能器的声学装置。将脉冲定深器接上线，放入水中，即可用监听装置监测直达声音和海底反射的声音。该直接波和反射波到达时间的差值可用于计算该脉冲定深器与海底间的距离。
There are no records to display