相对于通过键列跨不同的表链接不同行，最佳实践将是在一行中有许多列。
The best practice is to have many columns in a row, as opposed to linking different rows across different tables via key columns.
每当海豚用前额按响一个键时，研究者们则会超水中抛下相对应的道具。
When a dolphin pressed a certain key with her nose, researchers would throw the corresponding prop into the water.
要这样做，需要确保当XML元素包含子元素时，子元素包含与父代主键相对应的外键。
To do that, we need to make sure that when an XML element can contain a subelement, the subelement contains a foreign key corresponding to the parent's primary key.
相对于前一个示例，此代码仅在一个地方进行了更改：放在环境Hashtable对象的provider_url键中的值。
The code only changed from the previous example in only one place: the values placed in the PROVIDER_URL key of the environment Hashtable object.
这与在cachespec . xml中指定缓存键不将sessionid作为键的一部分相对应。
This corresponds to specifying the cache key within the cachespec.xml for not having the sessionid as part of the key.
小技巧，你在输入公式时，可以按F4键，可以帮助你输入$键，多次按键还可以在相对引用与绝对引用之间进行切换（共4种状态）。
When writing a formula, you can press the F4 key on your keyboard to switch between relative and absolute cell references. This is an easy way to quickly insert an absolute reference.
与传统的氢键以及蓝移氢键相对照，还对蓝移卤键的拓扑性质、电子结构性质以及起源进行了详细的研究。
In contrast to the conventional hydrogen bond and the blue-shifting hydrogen bond, the topological and electronic properties and the origin of blue-shifting halogen bond are also investigated.
采用随机键，将连续的粒子位置向量转化为离散的解向量，并通过提出相对最短距离法来评价解集的优劣。
The random key was adopted to change from continuous particle position vectors to discrete solution vectors. And the method of relatively minimum distance was proposed to evaluate the Pareto muster.
用功率键合图对电液比例径向柱塞泵控制系统进行建模，导出一组相对简单的方程。
Simpler equation was educed by using power bond-bound graph for the model founding of the electro-hydraulic proportional radial piston pump controlling system.
运用量子化学、晶体场及化学成键理论，深入分析了中间化合物及一氧化钛的相对稳定性。
The relative stabilities of intermediate compounds and titanium monoxide were examined deeply with quantum chemistry, crystal field and chemical bond theory.
虽然大多数键都相对较短，但时区标识符相对较长。
While most keys are relatively short, the time zone identifier is comparatively long.
本文通过几个简单含碘复合物的相对论密度泛函计算，考察了相对论效应对碘键作用的影响。
This paper has inspected the effect of the relative theory on the function of the bond of idoine through functional calculating of the relative density of several simple compounds containing idoine.
分别建立核磁测定聚异丁烯活性端基含量以及其他烯键含量和近红外光谱快速测定聚异丁烯活性端基含量、其他烯键含量和相对分子质量的分析方法。
The methods of determining high active end group content and molecular weight of polyisobutene have been established by nuclear magnetic resonance and near infrared spectra respectively.
研究相对的XML键和相对的XML多值依赖之间的转换关系，提出解决两种典型XML文档冗余问题的规范化方法。
Relationship between relative XML key and relative XML multivalued dependencies is studed. The solutions to resolve two typical redundant problems in XML documents are given.
利用自然键轨道理论（NBO）和分子中的原子理论（AIM）分析了这些异构体的成键特征、相对稳定性。
Theories of nature bond orbital(NBO)and atoms in molecules (AIM) were used to discuss bond nature and relative stabilities of such conformers.
利用自然键轨道理论（NBO）和分子中的原子理论（AIM）分析了这些异构体的成键特征、相对稳定性。
Theories of nature bond orbital(NBO)and atoms in molecules (AIM) were used to discuss bond nature and relative stabilities of such conformers.
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