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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
coefficient of extension line or coefficient of development line
展线系数
overlapping line
套线
track plan or line plan
线路平面图
track profile or line profile
线路纵断面图
length of station site
站坪长度
grade of station site
站坪坡度
control section or controlling section
控制区间
minimum radius of curve
最小曲线半径
circular curve
圆曲线
simple curve
单曲线
transition curve or easement curve or spiral transition curve
缓和曲线
rate of easement curvature or rate of transition curve
缓和曲线半截变更率
compound curve
复曲线
curves of same sense or adjacent curves in one direction
同向曲线
reverse curve or curve of opposite sense
反向曲线
intermediate straight line or tangent between curves
夹直线
grade or gradient or slope
坡度
double spur grade
人字坡
ruling grade or limiting grade
限制坡度
pusher grade or assisting grade
加力牵引坡度
maximum grade
最大坡度
critical grade
临界坡度
long steep grade or long heavy grade
长大坡度
momentum grade
动力坡度
balanced grade
均衡坡度
harmful district
有害地段
harmless district
无害地段
point of gradient change or breake in grade
变坡点
grade section
坡段
length of grade section
坡段长度
algebraic difference between adjacent gradients
坡度差
vertical curve
竖曲线
level stretch between opposite sign gradient
分坡平段
slight grade or flat grade or easy grade
缓和坡度
flat gradient for starting
起动缓坡
easy gradient for acceleration or accelerating grade
加速缓坡
compensation of gradient or gradient compensation or grade compensation
坡度折减
compensation of curve or curve compesation
曲线折减
compensation of gradient in tunnel or compensation grade in tunnel
隧道坡度折减
detouring section or round section
绕行地段
change side of double line
换侧 or 换边
allowable stress design method
容许应力设计法
plastic stage design method
破损阶段设计法
limit state design method
极限状态设计法
probabilisatic limit state design method
概率极限状态设计法 or 可靠度设计法
seismic coefficient method
地震系数法
subgrade or road bed or formation subgrade
路基
rock subgrade
岩石路基
permeable soil subgrade or pervious embankment
渗水土路基