有一位全程导游，可安排非强制性的进餐和观光。
There is a tour guide throughout the trip who will organize optional dinners and sightseeing.
在四节大型哲学课上，一半学生阅读了一篇关于工厂化养殖肉类的伦理文章，非强制性观看了一段11分钟的视频，并开展了50分钟的讨论。
Half of the students in four large philosophy classes read an article on the ethics of factory-farmed meat, optionally watched an 11-minute video on the topic and joined a 50-minute discussion.
在了解到非裔美国人在军队中遭受的系统性歧视后，他呼吁他们从战争中“回复斗争”。
Upon learning of systematic discrimination experienced by African Americans in the military, he called on them to "return fighting" from the war.
鉴于这个非物质灵魂的存在，这是可能的，也的确是有这样的可能性的，让我们能在死亡后继续存在。
Given this existence of this immaterial soul, it's a possibility, indeed a fair likelihood, that we will survive our deaths.
其他悬而未决的问题是，鼻子是否是全身中唯一受气味影响的部位，而且考虑到气味的非物质性成分，怎样才能够客观地测定它。
Other unanswered questions are whether the nose is the only part of the body affected by odours, and how smells can be measured objectively given the nonphysical components.
该行业正押注打赌：那些花更多钱为“自由放养”、“非转基因”、“牧场饲养鸡蛋”等高品质属性买单的消费者，同样会欣然接受可持续性的概念。
The industry is betting that the same consumers paying more for premium attributes such as free-range, non-GMO, and pasture-raised eggs will embrace sustainability.
当实验者记录下游戏玩家从列表中阅读“攻击性”或“非攻击性”词汇所花的时间时，我们能确定他们实际上在测量什么吗？
And when experimenters record the time it takes game players to read "aggressive" or "non-aggressive" words from a list, can we be sure what they are actually measuring?
在每组18次试验中，平均而言，活着的老鼠释放社交机器人的可能性比非社交机器人高52%。
Across 18 trials each, the living rats were 52 percent more likely on average to set the social robot free than the asocial one.
在非快速眼动睡眠期，完全没有这种反射性的调整。
This reflexive adjustment is totally absent during NREM sleep.
非土地财富也与两种技术的更多采用有关，但是未耕地的可用性降低了采用提高生产率的技术的动力。
Nonland wealth was also associated with more adoption of both technologies, but the availability of uncultivated land reduced the incentive to employ the productivity-enhancing technologies.
更重要的是，非本地物种可能会在几十年内看起来无害，然后变得有入侵性。
What is more, non-native species can appear harmless for decades, then turn invasive.
在第一学期，我们为非英语背景的学生开设了一个为期八周的会话课，他们希望提高讲英语的流畅性、语法和发音。
In the first semester, we run an eight-week conversation class for students of non-English-speaking backgrounds, who wish to improve their fluency, grammar and pronunciation in English.
一名摩托雪橇手曾多次试图攻击她和她的团队，而泽克尔的其中一只狗也受到了非致命性的伤害。
A snowmobile driver had repeatedly attempted to harm her and her team, and one of Zirkle's dogs had received a non-life-threatening injury.
视幻觉是帕金森（PD）患者常见的一种非运动性症状。
Visual hallucination is a common non-motor symptom among patients with PD.
面对全国性血液供应不足的情况，亚特兰大、匹兹堡、纽约、巴尔的摩和华盛顿的医生都推迟了非紧急手术的时间。
Facing a national blood shortage, physicians in Atlanta, Pittsburgh, New York, Baltimore and Washington moved to postpone nonemergency surgeries.
在1967年欧洲的疾病爆发中，大多数患者在症状发作后2至7天出现非瘙痒性皮疹。
In the 1967 European outbreak, a non-itchy rash was a feature noted in most patients between 2 and 7 days after symptom onset.
耶尔兹·库特尼克已证明，非定性和流动性是Sukenick 文本的主要特征。
Jerzy Kutnik has shown that amorphousness and mobility are the prime characteristics of Sukenick's texts.
该研究的目的是研究复发性结节性非化脓性脂膜炎的病因、临床表现以及治疗方法。
The purpose of this study was to investigate the etiology, clinic featuer, and therapy of recurrent nodular nonsuppurative.
美国前海军大臣理查德·丹兹格（RichardDanzig）曾将其描述为“非爆炸性战争”的工具。
Former U.S. Navy Secretary Richard Danzig once described it as instruments of "nonexplosive warfare."
长期来看，非一次性产品的价格较低，但维修成本较高。
Nondisposable products are less expensive in the long term but can be costly to repair.
格律性假设区分了一类不及物动词的——非作格动词（UV）。
The Ergative Hypothesis distinguishes one of the classes of intransitive verbs—unergative verbs (UV).
研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
他研究的主题的技术术语是非谐性，非球面性，非弹性以及畸形的。
The technical terms for the subjects of his studies are anharmonicity, asphericity, inelasticity, as well as anisotropy.
这些统计值容易搜集，但是在需要数据的时候，如果没有非侵入性的数据检索机制，那么这些值就不太有用。
These statistics are easy to gather, but without an unintrusive means of retrieving the data when it is needed, they are not very useful.
如果该文件不包含可执行文本，那么系统会将该文件视为非计算性的，并且将该文件中的所有永久存储分页都标记为非计算性的。
If the file does not contain executable text, the system treats the file as non-computational file and marks all of the pages in the file as non-computational.
每一层反映了一组常见的功能和非功能性的需求。
Each tier reflects a common set of capabilities and nonfunctional requirements.
信息交换与一组功能性的和非功能性的需求相关，表现出获取、传递或使用信息所受的约束的特征。
Information exchange is associated with a set of functional and non-functional requirements characterizing the constraints under which information is captured, transferred, or used.
在历史上，女性的语言是一种非权力性的语言。
Historically, women's language is the language of the non-powerful.
在历史上，女性的语言是一种非权力性的语言。
Historically, women's language is the language of the non-powerful.
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