同时也论述了在现代保护名山胜景历史文化遗存的必需性和重要性。
The necessity and the importance of protecting the legacy of history and culture in our society is also discussed.
责任感和可靠性是必需的素质，友善和外向的性格也必不可少。
Responsibility and reliability are necessary qualifications, as well as a friendly and outgoing personality.
地理上的隔离是隔离种群所必需的条件，且地理隔离的性质完全取决于生物体的生物学特性及其分散的可能性。
The nature of the geographic separation necessary to isolate populations depends entirely on the biology of the organism and its potential for dispersal.
即使是对那些居住在高独立性、分散在这个地区的独户住宅中的人们来说，分享和合作是早期普韦布洛人生活中几乎必需的一部分。
Sharing and cooperation were almost certainly part of early Puebloan life, even for people living in largely independent single-household residences scattered across the landscape.
对于行动不便的群体来说，替代性的输入设备是必需的。
Alternative input devices are necessary for Mobility-impaired individuals.
对于领域性的和同域性的物种形成，强化是必需的。
Reinforcement is required for both parapatric and sympatric speciation.
它们都不是必需的，但都会给现有的版本增加一些健壮性和文档。
Neither are required, but both add a bit of robustness and documentation to the existing version.
这被称为"显示性偏好"，这在"默契网"的运算规则过程中是必需的要素。"
This is called "revealed preference, " and it is the essential element in Match’s algorithmic process.
更普遍的是，在牙科领域里必需的用品和化妆性的用品之间的差距比其他医学领域要宽广的多，这使得关于在何种情形下可以获得资助的决定很难取得一致的同意。
More generally, the gap between the necessary and the cosmetic is wider in dentistry than other areas of medicine, making it hard to agree on what the state should subsidise.
您想要您的代码复杂性仅仅是您必需的。
框架提供必需的安全性组件和机制(“管道”)。
The framework provides the required security components and mechanisms (" plumbing ").
如果您必需确保元素是描述性的，请避免使用框架。
If you have to ensure that the element is descriptive, then avoid using frames.
公司和IT系统敏捷性不再是奢侈品，而是必需品。
Corporate and it systems agility is not a luxury, but a necessity.
在规则定义业务流程本身的执行的情况下，必需考虑它们的复杂性和变化的频繁度。
In the case when rules define the execution of business process itself, it is necessary to consider their complexity and change frequency.
这是必需的，因为易用性是商店中的设备的最终用户的一项重要需求。
This is necessary because ease of use is an important requirement for the ultimate users of the devices in the store.
类型的生成是面向对象设计的一个重要方面，也是模块化、灵活性和封装性所必需的。
The generation of types is an important facet of object-oriented design and is necessary for modularity, flexibility, and encapsulation.
带着这项调查结果，项目经理找到了站点主办方，然后问道：“如果只有不到0.”5%的用户使用这些旧浏览器，那么这种兼容性是必需的吗？
With this research the project manager went back to the site sponsors and asked, "is this compatibility necessary when less than 0."5% of your customers use these old browsers?
本文还为您介绍了实用程序方法的示例集，它消除了设置必需的可访问性值所涉及的大量重复劳动。
You've also been introduced to an example set of utility methods that remove much of the repetitiveness involved in setting the required accessibility values.
显然，对于我们的编程模型，受管持久性解决方案不是必需的，我们希望释放出SQL的威力，而不是对开发人员隐藏它。
It appeared to us that a managed persistence solution was not required for our programming model, and we wanted to unleash the power of SQL without hiding it from the developer.
这种高水平的可移植性是其流行普及所必需的。
This high level of portability was integral to its popularity.
今天这个事件的后果就是会有很多人对基于云的应用程序的可靠性提出质疑，需要给出必需的架构方面的预防措施以及风险管理。
In the aftermath of todays event there will be many questions about the reliability of cloud based applications, the necessary architectural precautions and risk management to be answered.
如果可靠性不是必需的或者可靠性是以不同方式进行维护，那么基本要求就是为使用提供一个高容量的传输。
The basic thrust is to provide a high-volume transport for use when reliability is not required or is maintained in a different manner.
要获得完整的组织客户图、推进交叉销售和向上销售，以及提升客户的忠实度和主动性，跨业务领域的交互是必需的。
Interaction across business areas is required to obtain a complete picture of the organization's customers, to facilitate cross-selling and up-selling, and to promote customer loyalty initiatives.
因此虽然银是良好导体，碳也很便宜，但是纳米管却可以额外提供必需的导电性。
Though silver is a good conductor, carbon is cheaper, and the nanotubes provide the extra electrical conductivity needed.
考虑一个整体面向服务的体系结构的基础设施是JHKL 公司的选择依靠的前提，它并不总是必需全面的互操作性。
The JHKL Inc.’s choice relies on the premise that, considering an overall Service Oriented Architecture infrastructure, it is not always necessary to need full interoperability.
如果事务一致性和可用性都是必需的，那么将进一步缩小可选择的范围。
If both transactional consistency and availability are required, then this may further narrow the choices.
唯一增加的复杂性来自于，为嵌套目的实例化了所有必需的对象。
The only added complexity comes in instantiating all the necessary objects for testing purposes.
JACC 提供程序还具有进行动态的基于运行时的访问决策所必需的自主性和信息。
The JACC provider has the autonomy and information necessary to also make dynamic, run time-based access decisions.
要在火星上安居乐业自给自足，惟有私营部门方能改进航天运输的成本与可靠性[达到此举]必需之程度。
Only the private sector is capable of improving the cost and reliability of space transport to the degree necessary to establish self-sustaining life on Mars.
要在火星上安居乐业自给自足，惟有私营部门方能改进航天运输的成本与可靠性[达到此举]必需之程度。
Only the private sector is capable of improving the cost and reliability of space transport to the degree necessary to establish self-sustaining life on Mars.
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