English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
冬季运动会
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
9 个月
基于积分法的地形剖面凹凸性测量新指标——Profile Integral及其应用价值
为解决传统地形剖面形态分析中指标单一、适用性不足的问题,研究人员提出一种基于积分的Profile Integral(PI)指标。该指标通过标准化面积积分量化剖面凹凸性,适用于山谷、坡面等多种地形,与冰川侵蚀地貌研究高度相关,为地貌演化分析提供了更精准的 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Larry Summers to resign
Delivers SOTU address
Lauren Chapin dies
Frees, deports American
Plane found with bullet hole
US military plane crash
Delays age verification plans
Awards Medal of Honor
Turkish Air Force F-16 crashes
Salve Regina student dies
Militaries to have joint drill
Apologizes to staff
Justice Department sues UCLA
Floods, landslides in Brazil
Richard Axel resigns
Hegseth revives bid to punish
On Democrats' SOTU boycott
Rachel Reid delays release
US men’s hockey team visits WH
Faces confirmation hearing
Demands full military access
States sue Trump admin
Waymo expands robotaxis
House rejects air safety bill
Russia fines Google
Judge bars seized data search
Allowed data sharing w/ ICE
Zimbabwe ends US talks
USTA announces new CEO
Martin Short's daughter dies
BMW to recall vehicles in US
Strikes deal with Vivtex
反馈