系统发生

Stereoscopy (also called stereoscopic or 3-D imaging) is any technique capable of recording three-dimensional visual information or creating the illusion of depth in an image, that's the Wikipedia definition.

好莱坞电影中刻画的计算机有很多匪夷所思之处，Expert Reviews列出了有关计算机的10大神话：当计算机系统出错或发生故障，它会爆炸或出现电火花。

So this research mainly focuses on the inventory model for the logistic demand. In the controllable lead time, the shortages are allowed and the total amount of stockout during the stockout period is considered to be a mixture of backorders and lost sales, then put in the subject of service level.

本研究主要是探讨需求量服从罗吉斯分配的前提下，考虑可控制的前置时间内，允许缺货且缺货发生时考虑部分欠拨、部分销售损失与生产过程不完备混合的存货系统，再加入服务水准的限制式。

The advantage of stopcock used as pitch valve;2. The results showed that the failure of stopcock was corrosive wear and abrasive .

采用金相显微镜和扫描电镜对在碱性介质中发生泄漏的不锈钢旋塞阀进行了宏微观形貌和金相组织分析；并采用光电直读光谱仪、EDS、红外碳硫分析仪和NHO分析仪对旋塞阀材质和表面沉积物进行了系统的表征分析。

In addition, Grid provides a highly dynamic environment in which the services available and the requests of the users may change continuously, plus that the resources in the Grid are not storable, so it implies that today's computing capacity can not survive till a far future.

同时，网格是一个高度动态的环境，系统中的服务资源和用户的请求都会不断地发生变化，并且网格资源是不可储藏的，也就是说今天的计算能力不能留到将来使用，因此资源预留在网格计算中起着十分重要的作用。

To study the staggered change of picture of premonitory in chinese mainland by scanning the whole space-time and arranging systemically since 1980, the state of strong earthquake being active and quietude,but what is the most important thing is the correlativity between the staggered change and the character of strong earthquakes.

通过全时空扫描，系统的整理、研究了1980年以来大陆地区地球物理场观测资料的阶段性转折变化，中国大陆强地震活动状态所表现出来的活跃、平静性发生的时段特征以及二者之间的相关关系。

In the paper, the PGCs' origin and migration of Varicorhinus macrolepis was studied, as well as the differentiation, development and maturation of gonad at microscopic and submicroscopic levels.

本课题对泰山螭霖鱼原始生殖细胞的发生、迁移及性腺的分化和发育规律，在显微和亚显微水平上进行了全面而系统的研究。

Language is the system of symbols for human communication, changing with the development of society.

语言是人类进行交际的符号系统，随着社会的发展而发生变化。

Which indicates when the harmonic vibration is equal to the inherent frequencies the displacement became maximum value, it represent the structure occurs sympathetic vibration.

当施加在管道结构上激励的频率和管道结构的固有频率相近时，管道结构系统将发生共振。

Many of the so-called inborn errors of metabolism are inherited as a recessive trait─ i.e. are apparent only in the homozygous individual, although sometimes the symptomless heterozygote can be identified by demonstrating subnormal activity of the gene product.

应当注意，相似但不完全相同的遗传病可由于累及与某一功能有关的不同基因，例如在血凝系统中不同因子，突变所造成的或由于累及单一基因日发生不同的突变并使该基因产物产生不同程度的功能损害。

Simulation results of winding current wave under different frequencies show that much harmonic is generated in the winding currents because of the gap variation, and an enough amplitude of vibration can be obtained near the syntony point.

对不同频率下绕组电流波形的仿真结果表明，在发生谐振的时候，系统气隙的周期变化会在电流中产生很多谐波，并在谐振点附近可以获得足够的振幅。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。