主要讨论了二次整环的单位、素元、因子分解、二次整环的剩余类环的性质等问题。
It mainly discusses units, prime elements, factorization, the properties of residue class ring of quadratic domain in the paper.
我们现在通过测量掩埋在漂流物中木头放射性的碳-14元素，以精确地确定冰川作用的时期。
We now know the age of the glaciation accurately from radiometric dating of the carbon-14 in logs buried in the drift.
目的是观察大鼠脊髓前角神经元内维生素 D 依赖性钙结合蛋白（CB）与小白蛋白（PV）的共存情况。
The objective is to observe the co-existence of calbindin-D28k (CB) with parvalbumin (PV) in neurons of the anterior horn of the spinal cord in rats.
例如，如果一个XML文档包含10个类型完全不同的节点，每个节点都包含一个日期元素作为其子节点，那么日期元素就是非唯一元素名称。
For example, if an XML document contains 10 entirely different types of nodes and each type includes a date element as a descendant, then the date element is a non-unique element name.
这些词典可以从特殊的索引实现，而索引又需要唯一元素名称。
These lexicons can be implemented from special indexes, which in turn can require unique element names.
这个选择符用于选择出特定的单一元素；id在一个文档中应该是惟一的。
This selector is used to single out a particular element; IDs should be unique within a document.
如果同一个父元素中存在同一元素的多个实例，通常需要使用迭代技术。
When multiple instances of an element exist as children of a single parent element, normal iteration techniques apply.
更好的设计是使用唯一元素名称替换清单1中的非唯一元素名称，如清单5所示。
A better design is to replace the non-unique element names in Listing 1 with unique element names, as Listing 5 describes.
换句话来说，它们不是同一元素，就算它们看起来像是，并且拥有相同的标识符也不行。
In other words, these are not the same element even though they look the same and have identical characteristics.
那便是第五元素，是精华的所在，所有天堂中的物体都由第五元素构成。
So there is this fifth element, this quintessence, the fifth essence of which all the heavenly bodies are composed.
这个灵巧的应用程序可为你创建各类CSS3元素，包括圆角、斜度和阴影。
This handy app lets you create a variety of CSS3 elements, including rounded corners, gradients, and shadows.
正是故事的这一元素使《网线里的幽灵》读起来更像是一部当代超一流极客惊悚小说。
It's this element to his story that makes "Ghost in the Wires" read like a contemporary uber-geeky thriller.
由于意想不到的事这一元素，当我们在一些场合有意安排一些幽默(如一场演讲)，我们都不想暴露笑话。
Because of the element of surprise, when we are deliberately structuring a piece of humor (perhaps for a speech) we don't want to telegraph the joke.
你需要两只激光器，一个无光的真空的空腔和一些铷- 85元素。
You need two lasers, a vacuous, light-free space and some Rubidium-85.
清单8展示了这一元素。
根据供应链管理系统基本六元素的区域性和流动性，可形成供应链管理系统矩阵分析模型，见图2。
The regionalities and liquidities of the six basic elements can form into the SCM matrix analytical model, as is illustrated in Figure 2.
它的结构将会改变，而且会使用最新的HTML5元素好让用户编辑更简单，结构更容易理解，一眼就能看明白。
Its structure will change and will use the latest HTML5 elements to make editing easier for the user and the structure easier to understand at a glance of an eye.
在1943年，《国家战事营养指导》中出现“基础七元素”观念，主要由usda和新成立的战时食品局提出。
In 1943, the "Basic Seven" image appeared in a National Wartime Nutrition Guide produced jointly by the USDA and newly-created War Foods Administration.
如果信息适合采用属性的形式，但可能造成同一元素中有多个同名的属性，则改用子元素。
If the information is suitable for attribute form, but could end up as multiple attributes of the same name on the same element, use child elements instead.
例如，非唯一元素能够阻止您正确评估执行较少索引查询的代码。
For example, non-unique element names can keep you from properly evaluating code that performs fewer index look-ups.
可以把样式应用于一组元素，也可以应用于单一元素。
You can assign styles to elements as a group or individually.
IE9比其前辈更兼容于标准，新增了对HTML5元素的支持，如和，此外还支持CSS3和SVG。
IE9 is more standards compliant than previous versions, with new support for HTML5 elements such as and, CSS3 support, and SVG support.
该文档使用了大量新html5元素，我不会详细介绍这些元素，因为它们不是xml特有的。
The document USES a lot of the new HTML5 elements, which I won't go into in detail since they are not specific to the XML nature.
清单1中引入了两个新的SVG 1.2元素。
唯一元素总是指向一个XML文档中的同一元素。
Unique elements are elements that always refer to the same element in an XML document.
为做这个实验，他们将包含完整的感觉神经元、加压素释放神经元和时钟神经元的老鼠大脑分离成薄片。
To do this, they isolated thin slices of rat brain containing intact sensory, vasopressin-releasing and clock neurons.
非唯一元素可以出现在XML文档中的任意位置，必须前置一个路径才有意义。
Non-unique elements are elements that can appear anywhere in the XML document and that have to be preceded by a path to be meaningful.
它们由四种不同元素组成。四元素沉积在一基质元素中。
They are composed of four different materials, which must be uniformly deposited on a backing material, or substrate.
它们由四种不同元素组成。四元素沉积在一基质元素中。
They are composed of four different materials, which must be uniformly deposited on a backing material, or substrate.
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