[ 复数 deltas ]
We can get the result of fingerprint classification by count the number of core points and calculate the relative position of core point and delta point.
2)利用提取到的指纹奇异点的类型(核心点和奇异点)和数量,通过判断核心点的数目,核心点和三角点的位置可以实现指纹的分类。
参考来源 - 一种基于奇异点的指纹分类与匹配算法研究However,through numerical calculation,it is found that under certain circumstances,an adverse sedimentation type named two-stage delta profile could emerge from the tail of the reservoir.
文章利用数学模型计算,发现水库在前期三角洲淤积基础上还可能出现一种新的淤积现象,称为二级三角洲形态。
参考来源 - 水库淤积的一种不利形态In the transition zone 400 meters east Sanan region,Sa and Portuguese oil reservoir belong to a river-delta inside and outside front facies deposition.
萨南东过渡带400米地区萨、葡油层属河流—三角洲内、外前缘相沉积。
参考来源 - 萨南开发区储层性质与微生物驱油适应性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A delta is an area of low, flat land shaped like a triangle, where a river splits and spreads out into several branches before entering the sea. (河流的) 三角洲
...the Mississippi delta.
…密西西比河三角洲。
Sand has silted up the river delta.
泥沙把这条河的三角洲淤塞了。
The delta region of the Rio Grande river was a forsaken land of thickets and swamps.
格兰德河的三角洲地区是块布满了灌木丛及沼泽地的被遗忘之地。
The Nile divides at its mouth and forms a delta.
尼罗河在河口分岔, 形成了一个三角洲。
Ted Gioia is author of "Delta Blues: The Life and Times of the Mississippi Masters Who Revolutionized American Music."
VOA: special.2010.01.25
And now we're almost done, except what we H really want is delta H and not delta U, right.
我们差不多已经完成了,除了我们实际上想要的是Δ
So this delta energy here is very simply the energy of the initial state minus the energy of the final state.
很简单的,这个能量差等于,初始能量减去末能量。
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