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meteorological data
气象资料
freezing depth
冻结深度
basic intensity of earthquake or seismic basic intensity
地震基本烈度
engineering geological map
工程地质图
column diagram of stratum or graphic logs of strata or drill log of stratum
地层柱状图
flood survey
洪水调查
river course survey
河道调查
ice floe survey or frazil ice survey
冰凌调查
survey of catchment basin characteristics
汇水区流域特征调查
hydrologic sectional drawing or dydrologic section or hydrologic cross-section
水文断面
main river channel
主河槽
design current velocity
设计流速
design elevation
设计高程 or 设计标高
slope of river or comparable horizon of river
河流比降
historic flood level
历史洪水位
highest water level or HWL
最高水位
navigation water level or NWL
通航水位
hydrology of bridge and culvert
桥涵水文
hydraulic radius
水利半径
backwater height in front of bridge or top water level in front of bridge
桥前壅水高度
survey and design of bridge crossing
桥渡勘测设计
slope of water surface
水面坡度
hydrological survey
水文测量
catchment basin of debris flow
泥石流流域
watershed or dividing ridge
分水岭
catchment area or water collecting area or drainage area
汇水面积
flood frequency
洪水频率
design discharge
设计流量
design water level
设计水位
construction level or construction water level or working water level
施工水位
designed flood hydrograph
设计洪水过程线
allowable scour
容许冲刷
general scour
一般冲刷
local scour or partial scour
局部冲刷
railway survey
铁路测量
route reconnaissance
线路踏勘 or 草测
preliminary survey
初测
location survey or alignment or final location survey
定测
traversing or traverse survey
导线测量
photoelectric traverse
光电导线
topographical survey
地形测量
cross leveling or cross-section survey or cross-section leveling
横断面测量
route survey or profile survey or longitudinal survey
线路测量
survey of existing railway
既有线测量 or 旧线测量
repetition survey of existing railway or resurvey of existing railway
线路复测
survey precision or precision of survey
测量精度
mean square error
均方差 or 中误差
maximum error or limiting error
最大误差 or 极限误差
center line survey
中线测量
center line stake
中线桩
additional stake or plus stake
加桩
shift out stake or stake outward or offset stake
外移桩
benchmark leveling
水准点高程测量
center stake leveling
中桩高程测量 or 中平
curve control point
曲线控制点
setting-out of route or lay out of route
放线
intersection point
交点
auxiliary intersection point
副交点
deflection angle
转向角
auxiliary deflection angle
分转向角
plane-coordinate azimuth
坐标方位角
quadrantal angle
象限角
plane rectangular coordinate
经纬距
broken chain
断链
projection of broken chain
投影断链
broken height
断高
railway aerial photogrammetry
铁路航空摄影测量 or 铁路航测
railway aerial surveying
铁路航空勘测
flight strip design or design of flight strip
航带设计
remote sensing of railway engineering geology
铁路工程地质遥感
segment of survey
测段
aerial surveying alignment
航测选线
field control point of aerophotogrammetry
航测外控点
global positioning system or GPS
全球定位系统
index of photography
像片索引图
trigonometric survey or triangulation
三角测量
precise traverse survey or accurate traverse survey
精密导线测量
trigonometric leveling
三角高程测量
ouside tunnel control survey
隧道洞外控制测量
in tunnel control survey or through survey
隧道洞内控制测量
horizontal point of tunnel portal or geodetic control point of portal location of adit
隧道洞口投点
survey of bridge axis
桥轴线测量
railway location or approximate railway location or location of railway route selection
铁路选线
location in plain region or plain location
平原地区选线
location of mountain line or location of line in mountain region or location over mountain
越岭选线
mountain and valley region location or location of line of in mountain and valley region
山区河谷选线
hilly land location or location of line on hilly land
丘陵地段选线
engineering geoligic location of line
工程地质选线
distance between centers of tracks or midway between tracks
线间距
distribution of stations
车站分布
scheme comparison or route alternative
方案比选
repayment period of capital cost
投资回收期
paper location of line
纸上定线
section of easy grade or section of gentle slope
缓坡地段
section of sufficient grade
紧坡地段
section of unsufficient grade or section fo insufficient grade
非紧坡地段
leading line or alignment guiding line
导向线
height of lifting or lifting height or ascent of elevation
拔起高度 or 克服高度
cross-section method of railway location or location with cross-section method or cross-section method for location of line
横断面选线
extension of line or development of line or line development
展线