The slope and relief are commonly used parameters in describing terrain.
坡度和起伏度是地形描述中最常用的参数,它们能快速、直观地反映地势起伏特征;坡度是划分平原和非平原的重要依据之一,地势起伏度可进一步划分台地、丘陵、小起伏山地、中起伏山地和大起伏山地等类型,基本地貌类型就是由海拔和起伏度两个指标确定的形态类型,它是遥感解译划分更详细地貌类型的基础。
Based on quantum theory of light, the noise power density spectrum and its timespectrum formula of the intensity fluctuation of a two-mode laser are derived.
采用光场的量子理论导出了自由运转双模激光场强度起伏的噪声功率密度谱及其时谱公式，重点分析讨论了双模激光场的量子统计特性及其拍频噪声的时谱特性和频率调谐特性。
Based on the theory proposed by Walls et al, an experimental scheme of quantum non demolition (QND) measurement for intensity difference fluctuations is put forward, which is realized though a nondegenerate optical parametric amplifier.
提出了一种强度差起伏量子非破坏性 (QND)测量的实验方案 ,该方案通过一个非简并光学参量放大腔实现。
Relief Amplitude in Junggar Basin and peripheral Northwest Mountains;
基于DEM的准噶尔盆地及其西北山区地势起伏度研究
The year during with Voldemort began his rise to power is given as circa 1970.
伏地魔势力的兴起的年代大约在1970年。
The foothills began as gentle rolls in the plain.
大平原上起初地势偶尔有些平缓的起伏。
A Study of the Geomorphologic Forms Classification Based on Relief
基于地形起伏度的地貌形态划分研究
The relief is clearly shown on this plan.
在这张平面图上, 地势的起伏表示得很清楚.
The international situation changed dramatically in 2001.
２００１年，国际形势变化起伏。
(amount of)advantage gained or allowed in starting;advantageous position
起始时的领先（程度）;起始优势;优势地位
The Relief Degree of Land Surface in China and Its Correlation with Population Distribution;
中国地形起伏度及其与人口分布的相关性
Synthetic source record residual migration velocity analysis with irregular surface
起伏地表下合成震源记录剩余偏移速度分析
This small island, marked by uneven terrain, is densely wooded and boasts many picturesque caves. Because of its beautiful littoral scenery, it has earned the reputation of being "a fairy isle on the sea".
岛上地势起伏，林深洞奇，其秀丽的海岛风光被人们称为“海上仙山”。
Her chest was heaving with emotion
她的胸部激动地起伏着。
rolling acres of farm land
起伏不平的广阔田地.
Relief must not be so excessive.
地形不应起伏很大。
regional conflicts rise one after another;
地区冲突此起彼伏，
The Characters of Relief Amplitude in the Severest Disaster Area of Wenchuan Earthquake and Its Association Analysis with the Eco-environmental Damage
汶川地震极重灾区地形起伏度特征及其与生态环境受损关联分析
Distribution of Elevation and Relief Amplitude in the Eco-environment Seriously Damaged Areas of Wenchuan Earthquake
汶川地震生态环境破坏严重区地形高程和起伏度分布特点
Studies on the Relations Between the Grids Size of Various Undulate Landforms and the Accuracy of DEM
不同地貌起伏状况下网格尺寸与DEM精度关系研究
Method Study of Pre-Stack Wave Equation Depth Migration Methods Based on Irregular Topography;
起伏地表条件下的波动方程叠前深度偏移方法研究