isograms

基本解释

Isograms are playing very wide roles in weather,geology topography fields.
等值线图在气象,地质测绘领域有着广泛的应用。
On the basis of the isograms, we analyzed the variation law of yield and grain protein content with soil water content, nitrogen and P2O5,.
用等值线图描述产量和蛋白质含量的水氮和氮磷两因素效应，分析产量和蛋白质含量变化规律及其关系，确定实现一定生产目标的水肥管理方案。
An isogram connecting points at which something occurs or arrives at the same time.
是一种连接在某一时刻某事同时发生的点的等值线。
Moreover,a complete isograms analyzing system should include building,filling and label about isograms.
而一个完整的等值线分析系统应该包括等值线的生成,填充,和标注。
Now,people focus theirs attention to creating isograms and filling of isograms,but ignoring label of isograms.
目前,人们对于等值线的研究都集中在等值线的生成和填充上,而忽视了等值线的标注。