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可持续发展主要目标为：生产力、环境。而这是第一个在此发展目标上比较有机农业常规农业研究。

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，本周可确定是一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.

第二年7月它成为首个过我们目前可确定邻居行星船。

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

毒液中不同图案可用于确定蛇种类。

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

即使回溯权益是可确定或可废止， 这一事实依然成立。

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.

说一种语言已学会了它，并通过过程对其进行了修改，几乎所有这些过程都不是故意，而是根据或多或少可确定规律运作原因结果。

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可确定细节，而不是家庭生活中长期感情物质利益呢？

To determine acceptable (specified) cleaning validation limits.

确定可接受 (指定) 清洁验证限制。

They have the kind of objective truth that is ascertainable.

它们具有可确定客观真理。

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

这些交通模式也可用于确定要排雷最优先域。

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不确定性，例如香槟瓶爆炸可能性。

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

这一期限可能长于或短于一年，且可能是可确定或附有后续条件。

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可用于确定风险优先级, 并监测风险控制活动有效性。