It's difficult to decide the position of the unit in evolutional seriary of magma.

该单元在岩浆演化序列中所处的位1难以确定。

Dispersed repetitive sequence is mainly transposable elements which are composed of transposon and retroposon.

散在重复序列主要是可转移因子,可转移因子分为转座子和返座子两种类型。

Observational studyaims at the approach to a dynamic system whose equation is undeterminable.

该方程组的解在有限时段上的采样值与给定序列重合。

To investigate the value of 3D-CISS sequcnce in diagnosing ventricular and cisternal system diseases.

目的探讨3D-CISS序列诊断脑室、脑池系统疾病的价值。

RCS time sequence is simulated and measured on the condition of Midband multipulse multi-target.

在中带多脉冲多目标情，目标特性RCS时间序列进行了模拟和检测。

Bitonic is introduced and a theorem is proved. The algorithm of bitonic merge-sort is given.

介绍了二分序列的概念和定理证明，给出了利用二分归并进行排序的算法及实例.

Therefore, the characteristic tripeptide sequence Arg-Gly-Asp (RGD) has been attracting much attention of investigators.

因此，关于这个特有的RGD三肽序列的研究吸引了许多的学者的关注。

InplaceMC performs worse than averaging for carphone, because carphone contains very few coded motion vectors.

而在carphone检测序列上却不行，因为carphone检测序列在极少数的经过编码的运动矢量。

Alternatively, a new version of a gene can also be created through reverse transcription: during gene expression, the mRNA is copied back into a sequence of DNA that is inserted into the genome.

其二，新的基因复本也可能透过反转录作用，将基因表现出来的mRNA反转录成DNA序列，再插回基因组内，这种现象称为反转录移位（retrotransposition），发生在细胞内称为长散布核因子（LINE）的转位子活动时。

Intein is an intervening polypeptide which can catalytic self-cleavage from a pre-protein accompanied by the concomitant joining of the two flanking polypeptides (the extein) through a peptide bond.

蛋白质内含肽是一个蛋白质前体中的多肽序列，可以催化自身从蛋白质前体中断裂，使两侧的蛋白质外显肽连接成成熟的蛋白质。

One monomer would connect with the next in the sequence by a person on one holding both hands of a person on the other—forming a diketopiperazine ring.

一个单体可以与序列中一个单体连接，就像一个人的双手握著另一个人的双手，而形成了二酮六氢吡构造。

They share sequence homology and show sequence similarity 89.1% and 70.1% to the LTR of rice retrotransposon RIRE8, respectively.SLTR1 and SLTR2 are of gypsy retrotransposons of rice.

序列比较发现，SLTR1和SLTR2在著较高的同源性，并与水稻逆转座子RIRE8的LTR序列高度同源，分别为89.1%和70.1%，它们属于一类水稻gypsy类型逆转座子。

The result shows that the cleat density in coal bed varies in different microlithotype,and the occurrence of cleat is relevant to the grouping sequence of microlithotypes.

结果表明,裂隙在不同显微煤岩类型煤体中的分布在较大的差异,同时裂隙分布的位置与显微煤岩类型的组合序列有关。

Homology analysis by BLAST online revealed that the clone F993-G10-A10-deduced encoding protein was similar to Vitellogenin structural genes (yolk protein genes) protein 1 of Caenorhabditis elegans.

经在线BLASTx分析，克隆F993-G10-A10与秀丽新杆线虫的卵黄蛋白原的基因序列有较高的相似性。

Through 16 spatial series embodying the Olympic spirit and sports, the theme axis is built up to express human spiritual activities ascending in spires and subliming.

16个体现奥运精神和运动主题的序列空间,联结成一条表达人类精神活动螺旋上升、直至升华的主题轴线。

In the present study, by using data generated from hundreds of mtDNA sequences, we revalue the deuterostome phylogeny in terms of whole mitochondrial genomes (mitogenomes).

本研究中，我们分析了数百个线粒体DNA序列，并以此重构了基于线粒体基因组的后口动物系统发生关系。

In this correspondence, a new class of sextic residue sequences is constructed and the characteristic polynomial and hence the linear complexity of it are determined.

本文构造了一类新的六次剩余序列,给出了该类序列的特征多项式和线性复杂度。

But if the gene copy contains disabling typos or is missing pieces of the original, such as the promoter, it will become a pseudogene.

但如果基因出现短缺（像是缺失启动子）或序列发生错误使基因损坏，它们就成了伪基因。

These basins were generally filled with upward fining and deepening sedimentary sequence that comprises nonmarine to marine, shallow marine to deep marine depositional systems.

在盆地内堆积了从陆相到海相，从浅水到深水的各种沈积体系，组成向上变细和变深的充填序列。

Sequence alignment analysis of the mUb and ubiquitin genes from different species such as pineapple, seringa and tobacco showed high identities of over 84%.

序列与菠萝、三叶胶树、烟草等物种的泛素基因相比较，有84％以上的同源性。