1) Instantaneous access area
瞬时覆盖区
1.
In this paper,two questions that graphics display arithmetic of IAA(instantaneous access area) must resolve are put forward and analyzed.
提出了瞬时覆盖区图形显示算法要解决的2个问题,即像素点的解析计算问题和仿真步长的确定问题,给出了2个问题的解析解。
2) cover time
覆盖时
1.
The cover time of finite graphs, that is the expected time needed for a random walk on a finite graph to visit every vertex at least one times, are studied.
研究了有限图上的简单随机游动对它的顶点至少访问一次所需的期望时间，得到了完全图的期望上界为Ｏ（ｎｌｏｇｎ），（其中ｎ为相应图的顶点数）对对称图，也给出了它的覆盖时的上、下界以上结论改进了原有的结果，是有关图集上随机游动的覆盖时研究有意义的新的成果
3) Covering period
覆盖时期
5) heavy-cover area
厚覆盖区
1.
Methodological study of the heavy-cover areain 1:250000 regional geological survey;
厚覆盖区1:25万区域地质调查工作方法研究
6) shallow overburden area
浅覆盖区
1.
Method of using regional geochemical data in geological mapping in shallow overburden areas;
区域化探数据在浅覆盖区地质填图中的应用方法研究
2.
Relation between the chemical compositions of residual soils and bedrocks in shallow overburden areas and its significance-a case study of the northern Da Hinggan Mountains;
浅覆盖区土壤化学成分与基岩化学成分的关系及其意义——以大兴安岭北部地区为例
3.
The ground gamma spectrometry as an auxiliary means for geological mapping in areas with shallow overburden areas is a new trial.
地面伽马能谱测量作为地质填图的辅助手段应用于浅覆盖区是一种尝试。
补充资料：建成区绿化覆盖率
建成区绿化覆盖率：是指建成区园林绿地面积＋建成区道路绿化面积之和与建成区面积之比。用百分数表示。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条