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The 5S gene tree revealed that different 5S repeats within individual genomes are polyphyletic, indicating their ancestral divergence preceded the speciation events.

PAUP分析建立的5S rRNA基因树显示，5SrRNA基因在基因组内是多系的，表明成种事件以前，祖先种就已经存在序列的分化。

The paper presented a positivistic petri nets simulation model of strategic army railway transportation,and studied the operation of the train simulation methods and the handling of unexpected events,and gave an example of simulation,the result of which are analyzed by indicators.

论文提出了大规模部队铁路输送的Positivistic Petri网仿真模型，研究了列车仿真运行的模拟方法和对突发事件的处理方法，并结合算例对仿真结果进行了指标分析。

Ltp and ltd at excitatory neuronal synapses are observed to be induced by precise timing of pre- and postsynaptic events.

兴奋神经元突触的ltp和ltd是由突触前和突触后活动的精确定时所诱导。

During these events, the potassic volcanic rocks of Oulituozi were produced during extension stage of the rift with subsequent fractional crystallization and derived from basaltic magma.

欧利坨子富钾质火山岩的形成是裂谷期岩石圈伸展作用的产物，是玄武质岩浆经过大比例分离结晶作用的产物，可能与晚中生代太平洋板块俯冲残片的部分熔融有密切关系。

During these events, the potassic volcanic rocks of Oulituozi were produced during extension stage of the rift with subsequent fractional crystallization and derived from basaltic magma. The genesis of the volcanic rocks possibly had a close relation with partial melting of the subducted slab of Pacific Plate oceanic crust.

欧利坨子富钾质火山岩的形成是裂谷期岩石圈伸展作用的产物，是玄武质岩浆经过大比例分离结晶作用的产物，可能与晚中生代太平洋板块俯冲残片的部分熔融有密切关系。

In this context, we propose a time deployment based, pairwise keymanagement scheme called TDBK. In TDBK, the network lifetime is divided intoseveral consecutive network deployment statuses which are separated by nodedeployment events. Each node to be deployed is assigned its key informationthrough a special two-tier key predistribution mechanism, and timely deletes theuseless part of the key information through the key elimination mechanism eachtime the pairwise key establishment is finished in terms of a new nodedeployment event.

在此背景下，我们提出了一种基于时间部署的对****管理方案(Time Deployment Based Keying，TDBK)，该方案将网络的生命周期分为多个连续的网络部署状态，相邻的部署状态之间通过节点部署事件分隔，每个节点通过特殊的两级****预分配机制来获得用于建立对****的****信息，随后通过****清除机制在每次节点部署事件发生时进行的对****建立过程完成后及时地删除其中无用的****信息。

After all, they appeared briefly in some preview videos, and were in the game at some prelaunch community events.

毕竟，他们短暂地出现在一些预览影片，并在发射前的游戏在一些社区活动。

Many traditional revelations, which seemed to be miracles in a prescientific age, might now be judged as natural events or coincidences.

许多传统的启示，它似乎是奇迹，在prescientific年龄，而现在则是被判断为自然事件或巧合。

It covers some of the most unforgettable moments in BoxeR's career from 2001 to present, including many OSL finals and semi finals as well as the recent proleague events.

它涵盖的一些最令人难忘的时刻，在BOXER生涯，从2001年到现在，包括许多决赛和半决赛以及最近proleague事件。

These events are often controversial, particularly when children are dressed provocatively and described in adult terms.

于是这次比赛也就成为美国经济史上的一个神话，人们也首次尝到了选美带动经济的甜头。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！