元素

The author constructs LREO by Protg,by establishing metadata namespace,defining relations among LREO elements,showing ontology view of LREO and giving access methods.The author constructs LRSDG with the help of Grid platform GT4,which implements system's monitoring and management,data synchronization testing and data analyses of user access.The author also constructs LRSS using Sakai,which provides user authentication,distribution of competencies,interactive collaboration and co-evolution in the ecosystem.

g开源本体工具建构了学习资源生态本体，包括建立元数据命名空间，定义LREO元素和元素间关系，呈现LREO本体视图，并给出了本体语义访问方法等；利用网格平台GT4实现学习资源自治管理环境LRSDG，包括LRSDG的系统监控管理、同步数据性能测试和用户访问情况数据分析；用开源Sakai系统建立了学习资源的服务共享环境，实现了学习资源服务共享环境中的用户认证、权限分配以及协作交互与协同演化等功能。

In 1931, the Wisconsin research team proved the mammal nutrition must the third kind of element is the zinc; in 1961 Ananda S, Prasad and so on reported that "Iranian village sickness", has the short, the reproductive organ maldevelopment, to lack the iron liver splenomegaly, low-spirited, to be addicted to rests and so on sickness, the zinc treatment has the good effect; Various countries also one after another have the zinc denutrition the report which confirmed after the experiment, and discovered that the zinc medicinal preparation treats enteropathy extremity dermatitis to have the special effect.

锌为人体必需的微量元素之一，其作用巨大，正引起社会各界的日益重视，被近代医学界、营养学界喻为人体的"生命之花"、"智慧元素"。1931年，威斯康星研究小组证明哺乳动物营养所必需的第三种元素是锌；1961年Ananda S，Prasad等报告"伊朗乡村病"，有身材矮小、生殖器官发育不良、缺铁性肝脾肿大、精神不振、嗜睡等症，锌治疗有良效；各国也陆续有锌营养缺乏经实验证实的报道，并发现锌剂治疗肠病性肢端皮炎有特效。20世纪70年代末以后，我国各地有大量关于锌缺乏病的报道，以小儿为多见。

Inserts an element or a number of elements or a range of elements into the deque at a specified position.

插入一个元素或多项要素，或到deque的一个范围的元素在指定位置。

This method is a good way to find additional descendant elements with which to process.

这个函数是找出正在处理的元素的后代元素的好方法。

Transform : Applies a specified function object to each element in a source range or to a pair of elements from two source ranges and copies the return values of the function object into a destination range.

该算法有两种形式：一种采用的是一元函数，作用到区间中的每个元素上；另一种采用的是二元函数，同时作用到两个区间中相互对应的元素上。

The function adds to the device information set a device information element that represents such a device and then adds the system default interface to the device interface list for that device information element.

函数增加了设备信息设备信息设置一个元素，就是这样一种装置，然后将系统的默认接口该设备的信息元素设备接口列表。

A graphic character that, when appearing alone or combined with others, is primarily used to represent a sound element of a spoken language, but excluding diacritical marks used alone and punctuation marks.

一种图形字符，当单独出现或与其它组合时，主要用来表示口语语言的一个发声元素，但不包括单独使用的变音符号和标点符号。未与其他元素化合的；游离的

Quasi diagonally dominant matrix with chain of non-zero elements ; Comparison matrix ; Principal minor

本文主要讨论了拟具非零元素链对角占优矩阵的几个性质，丰富了拟具非零元素链对角占优矩阵的理论。

Difference, and quotient of any two elements in the set is an element of the set.

合内之任二元素之加、减、乘、除之结果仍是此集合内之一元素，意即具有封闭性。

The influence of Ce, Nd and Sr on the as-cast microstructure of AZ91 alloy was investigated by optical microscope、scanning electron microscope、electron probe microscope analyzer、differential thermal analyzer and X-ray diffract analyzer, et al.

本文以目前使用最广泛的AZ91镁合金为研究对象，分别添加不同含量的稀土元素Ce、Nd和碱土元素Sr，研究了三种元素对AZ91镁合金微观组织和腐蚀性能的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。