The main characteristics of the primary key are that it is unique and stable -- it is unchanging over time.
主键的主要特征是，它是惟一的、稳定的 —— 它不会随着时间而改变。
The computational results indicate that inverse results are unique and stable by making use of the method suggested by the paper.
数值计算结果表明，本文所提出的数值方法反演的结果是唯一和稳定的。
In is a fundamental theoretical problem whether the solution to the irregular problem for determining solution in unique and stable.
这种具有特殊性的定解问题的解是否唯一和稳定对于求解瞬态涡流电磁场而言是一个基本问题。
Computer scientists might be in a unique position to enable richer communication, and perhaps a more stable future as a consequence.
为了实现更丰富的交流，并因而促成一个更加稳定的未来，计算机科学家可能处于一种独特的位置。
Mrs Obama has a unique ability to act as an advertisement for the virtues of hard work and stable families.
奥巴马夫人有独特的能力为勤奋工作和稳定家庭做宣传。
Her prosthetic fin acts like a rudder and keeps her stable. The turtle has learned how to flap her one good flipper in unique ways to change direction.
她的仿生鳍就像个舵，用来保持平衡。这只海龟已经学会用独特的方式划那只完好的鳍来变方向。
Unique Constant flow Constant Pressure Technology with accurate control of the voltage and current promoting stable performance.
独创恒流恒压充电技术，使电压电流得到精确控制，性能更稳定。
NEON STONE is resin-type neon transformer in compliance with EN61050 which unique structure provides extended life-time and stable running even after its warranty period.
NEONSTONE是涂树脂于变压器，以EN61050为例，独特的结构可以使它连续稳定的工作并可以有效的延长它的使用寿命。
Moreover, for some Special cases, it is proved that there exists unique equilibrium solution and it is global asymptotically stable.
在适当条件下，证明了平衡解方程有唯一解且是全局渐近稳定的。
She has achieved a more stable self-representation and in her unique way, object constancy with me.
她获得了一个更加稳定的自我表象，以她自己的方式建立起了一个与我有关的客体恒常性。
Unique anti-vibration device ensures excellent weighing accuracy, high packing rate and stable performance in various circumstances;
独特的抗震装置保证计量精度，打包速度快，并能在复杂的工况条件下稳定工作；
ICANN is responsible for the coordination of the global Internet's systems of unique identifiers and, in particular, ensuring its' stable and secure operation.
ICANN负责全球协调全球互联网的唯一标识符系统，特别是确保其稳定和安全运行。
Personality is stable, habits of thinking and behavior styles, which runs through the whole human psychology, is one of the unique nature of the overall portrayal.
人格是稳定的、习惯化的思维方式和行为风格，它贯穿于人的整个心理，是人的独特性的整体写照。
The system is not only characterized by high automation, stable and reliable running, simple operation and high control precision, but also enjoys the unique advantages such as visual…
实践证明，该系统不仅具有自动化程度高、运行稳定可靠、操作简单和控制精度高等特点，而且具有显示直观、适合人群广、存储量大等独特优点。
The system is not only characterized by high automation, stable and reliable running, simple operation and high control precision, but also enjoys the unique advantages such as visual…
实践证明，该系统不仅具有自动化程度高、运行稳定可靠、操作简单和控制精度高等特点，而且具有显示直观、适合人群广、存储量大等独特优点。
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