利用最大似然估计原理，给出了构建系统发生树的模型和算法。
A model and an algorithm were provided for constructing phylogenetic tree based on the principle of maximum likelihood estimate.
它是提供使用全部基因组序列数据计算病毒物种系统发生树的第一个资源。
It is the first resource to provide phylogenetic trees of viral species computed using whole-genome sequence data.
因此HOVERGEN对比较序列分析、系统发生树和分子进化研究特别有用。
Thus HOVERGEN is particularly useful for comparative sequence analysis, phylogeny and molecular evolution studies.
基因种系发生树表明近几年甲型流感病毒与90年代流行株存在基因特性不同的分支。
The phylogenetic tree showed that in recent years there existed a branch for influenza a virus of genetic characteristic different from that of epidemic strains in 1990s.
允许用户在脊椎动物物种间选择数列同源性基因，然后显示多序列联配和系统发生树。
It allows one to select sets of homologous genes among vertebrate species, and to visualize multiple alignments and phylogenetic trees.
目的建立风疹病毒包膜糖蛋白e1的克隆载体；研究e1基因变异情况，并对其序列进行系统发生树分析。
Objectives to construct the cloning vector of glycoprotein E1 gene of rubella virus, to study the mutation of glycoprotein E1 gene, and to analyze the sequence of E1 gene by the phylogenetic tree.
系统树显示，亚洲人群先与欧洲人群相聚， 之后再与非洲人群相聚，非洲人群位于系统发生树的最顶部；
As presented by the phylogenetic tree, Asian had a convergence with European first, and grouped together with African. Beninese which came from Africa was on the top of dendrogram.
结果治疗前的HVR1区氨基酸序列高度变异，基于HVR1序列的种系发生树提示序列变化与干扰素应答类型无关。
Phylogenetic tree analysis based on pretreatment HVR1 sequences was undertaken. Results The E2 HVR1 sequences from pre treatment sera were highly diverse among different isolates.
系统发生树分析表明：卢龙毒株ll36755与其他已经报告的两种猪和一种人类的G5型毒株可能具有相同的起源。
Phylogenetic analysis showed Lulong strain LL36755 clustered together in the same lineage as two other reported porcine G5 rotavirus strains and one reported human G5 rotavirus strain.
对BDV阳性产物进行基因序列测定、同源性和氨基酸顺序分析，绘制系统发生树，初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
我们与毁篱、拔树、推墙之徒发生了纠纷。
We have had trouble with people damaging hedges, uprooting trees and pushing over walls.
当这种情况发生时，许多树，如核桃树、橡树和松树，完全依靠所谓的“分散贮藏者”，如鸟类，将它们的种子转移到新的地方。
When that happens, many trees like walnuts, oaks and pines, rely exclusively on so-called "scatter hoarders", such as birds, to move their seeds to new localities.
自2010年以来，干旱和昆虫已经导致加州超过1亿棵树死亡，其中大部分发生在2016年，野火已经烧毁了数十万英亩的土地。
Already, since 2010, drought and insects have killed over 100 million trees in California, most of them in 2016 alone, and wildfires have burned hundreds of thousands of acres.
20年过去了，发生了很多变化，但从邮局到村子的路上一直没有树，除了飞扬的灰尘什么都看不到。
20 years flew by, and so many changes took place, but the road from the post office to the village always hadn't had any trees and nothing but the flying dust could be seen.
倒下的树使几条电力输送线路发生了故障。
他爬上了一颗很大的树，长在一块很高的岩石上，有着茂密的树枝足以隐蔽他，还能够在没有被发现之前看到所有发生的一切。
He climbed up a large tree, planted on a high rock, whose branches were thick enough to conceal him, and yet enabled him to see all that passed without being discovered.
这部小说跟你平常看的小说完全不同，在春树的小说里，什么都能发生。
Very different from most of the fiction you'll read, anything can happen in a Murakami book.
惊险的一幕发生了，那只怪物开始在树间冲撞着，要直奔他们而来。
Then the worst happened. The creature started crashing through the trees right toward them.
然而问题是这些不是发生在一个愚昧落后的城市，而是在佛罗里达州的萨拉·索塔—一个温暖，棕榈树云集的旅游胜地，位于墨西哥湾沿岸。
Yet the spot in question is not a benighted rust-belt city, but Sarasota, florida-a balmy, palm-studded resort town on the shores of the Gulf of Mexico.
如果一个值绑定表达式引用的模型数据不再可用，或者在组件树被恢复之前发生了更改，那么组件树的一些部分将被撤销。
If model data referenced by a value binding expression is no longer available or has changed prior to the component tree being restored, it can result in portions of the tree being dropped.
我想每位圣诞树的种植者都希望有朝一日能把树送进白宫，现在这事真的发生在我身上了，真是有些难以置信。
I think every Christmas tree grower hopes that they will someday provide a tree to the White House, but it's still hard to believe that it will ever happen to you.
在今年三月，一些博主通过微博，使得江苏省南京市的600棵准备被砍的古树得以继续生存；在日本大地震发生后，一些博主也通过微博来帮助地震中受灾者。
In March, micro-bloggers persuaded the city of Nanjing, Jiangsu province, to spare 600 old trees that were to be cut down; they also organized assistance to earthquake victims in Japan.
博茨瓦纳(棕榈树)也报告发生了病例。
图10展示了在我们遍历树时位置结构发生了怎样的变化，在这里向下(始终下移至左侧第一个子节点)，随后向右，然后再向下。
Figure 10 illustrates how the location structure changes as we traverse the tree, here going down (always to the first left child), then right, then down.
我一生中最美好的日子是发生那件事情的那天，是和直树相遇的日子。
That day the best day of my life is that thing's happening, and Naoki meet.
清单5展示了创建XML文档的dom树的代码，步骤与清单4非常相似，但其中的类和方法名称发生了变化。
Listing 5 shows code to create a DOM tree of an XML document, and the steps are very similar, even though the class and method names change.
注意，元素变成了蓝色，value域的背景颜色发生了改变，一些蓝色的箭头图标出现在了响应节点的Testcontents树中(图16)。
Notice that the elements turns blue, the background for the Value field changes color, and that a little blue arrow icon appears in the Test Contents tree on the response node (Figure 16).
注意，元素变成了蓝色，value域的背景颜色发生了改变，一些蓝色的箭头图标出现在了响应节点的Testcontents树中(图16)。
Notice that the elements turns blue, the background for the Value field changes color, and that a little blue arrow icon appears in the Test Contents tree on the response node (Figure 16).
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