It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.

美国国家科学院确定的可持续发展主要目标为：生产力、经济和环境。而个在此发展目标上比较有机农业和常规农业的研究。

Now, essentially what we've had set up this week is a high-pressure system essentially parked over the central U.S.

现在，基本上，本周可确定的个高压系统停在美国中部。

The following July it became the first ship to fly past our planetary neighbor—that we're sure of.

二年的7月它成为首个过我们目前可确定的邻居行星的船。

The different patterns in the venom can be used to determine the snake species.

毒液中的不同图案可用于确定蛇的种类。

This is true even if the reversionary interest is determinable or defeasible.

即使回溯权益可确定的或可废止的， 事实依然成立。

The community that speaks a language has learnt it, and modified it by processes almost all of which are not deliberate, but the results of causes operating according to more or less ascertainable laws.

种语言的社区已经学会了它，并通过过程对其进行了修改，几乎所有些过程都不故意的，而根据或多或少可确定的规律运作的原因的结果。

Why do they focus on ascertainable details of immediate utilitarian relevance rather than on the long-run emotional and material benefits of family life?

为什么他们更关注具有直接实用价值的可确定细节，而不家庭生活中长期的感情和物质利益呢？

To determine acceptable (specified) cleaning validation limits.

确定可接受的 (指定的) 清洁验证限制。

They have the kind of objective truth that is ascertainable.

它们具有可确定的客观真理。

These traffic patterns can also be used to determine the top priority zones to be de-mined.

些交通模式也可用于确定要排雷的最优先区域。

Knight defined risk as a measurable uncertainty, such as the chance of a champagne bottle exploding.

奈特将风险定义为可量化的不确定性，例如香槟瓶爆炸的可能性。

It may be for more or less than a year; it may be determinable or on condition subsequent.

期限可能长于或短于年，且可能可确定的或附有后续条件的。

Potential Areas of Use(s) FMEA can be used to prioritize risks and monitor the effectiveness of risk control activities.

潜在应用领域 FMEA可用于确定风险的优先级, 并监测风险控制活动的有效性。