这并不能排除贾第虫属和副基总目的早期分化，回答这样的问题需要知道真核生物树的根在哪里，这是个难题。
This does not preclude an early divergence for both Giardia and parabasalids, for this depends on where the root of the eukaryotic tree lies, which is difficult to resolve.
为了提高歼击机故障诊断的准确性与实时性，提出一种基于决策树型组合策略的多重核学习支持向量机诊断方法。
Based on decision tree combined strategy and multiple kernel learning support vector machines, a new fault diagnosis method is proposed to improve the precision and speed of fighter fault diagnosis.
该方法基于半模糊核聚类算法挖掘不同类别之间的衔接和离散信息，设计树型支持向量机的树型结构，克服其差错积累问题。
The method mines information on overlap between classes, designs the tree structure and overcomes the misclassification of tree-structured SVMs based on the semi-fuzzy kernel clustering algorithm.
结果证明，在猫丘脑腹后内侧核内，三叉丘系终末可以形成轴一树、轴一体等单突触联系。
The synaptic relationships between the trigeminothalamic terminals and thalamocortical relay neurons were investigated in the ventroposteromedial thalamic nucleus of the cat.
该方法运用了粗糙集理论中条件属性相对于决策属性的核，引入启发式条件计算并选择条件属性作为决策树的根结点或子结点。
The method adopts the core of condition attributes with respect to decision attributes, and calculates condition of heuristic to find root or root of subtree.
用尼氏染色法，对树鼩脑干中缝核的细胞构筑进行了研究。
The cytoarchitecture of the raphe nuclei of the brain stem in the tree shrew was studied with Nissl's method.
因此，每个人都应该选择适合高阶交互特征的带核SVM或基于树的分类器。
So one should prefer non-linear models like SVM with kernel or tree based classifiers that bake in higher-order interaction features.
只长叶子不结果的树，通常没有核-----从它们的本质可知：它除了乘凉，别无用处。
Trees dat bear leaves but not fruit usually have no core -----know them for what they are , of no use except for shade.
叶绿体系统树与核基因系统树之间的冲突，可能是由杂交、渐渗、谱系分选造成的网状进化引起的。
The reticulate evolution caused by hybridization, introgression and lineage sorting may be an explanation for the molecular phylogenetic incongruence.
叶绿体系统树与核基因系统树之间的冲突，可能是由杂交、渐渗、谱系分选造成的网状进化引起的。
The reticulate evolution caused by hybridization, introgression and lineage sorting may be an explanation for the molecular phylogenetic incongruence.
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