表达式中项的两种简单类型就是常量和变量。
The two simplest types of terms in an expression are constants and variables.
歇业是一连串痛苦的预算措施中刚刚实施的一项。
The shutdown is the latest in a series of painful budget measures.
一项重要的海空营救行动正在进行中。
大卫·雅各布斯分到的工作是把这19项研究中的数据合为一项大型研究。
David Jacobs was given the job of combining the data from these 19 studies into one giant study.
一项对退休人员的调查表明，他们中的大部分人生活自立而愉快。
A survey of retired people has indicated that most are independent and enjoying life.
人们担心他的身体在排斥他4年前在一项移植中接受的一个肾脏。
It was feared his body was rejecting a kidney he received in a transplant four years ago.
这个德国人在赢取高尔夫球赛最高奖的过程中刷新了3项、平了2项锦标赛记录。
The German set three tournament records and equalled two others en route to grabbing golf's richest prize.
养老金每年应该按照收入或物价中升幅较高的那一项增长。
Pensions should be increased annually in line with earnings or prices, whichever is the higher.
在一项民意测验中，被调查到的近四分之三的人同意政府的决策。
Nearly three-quarters of people questioned in an opinion poll agreed with the government's decision.
在美国，多数人推翻了亚利桑那州有争议的计划中四项有争议的条款中的三项，该计划要求州和地方警察执行联邦移民法。
United States, the majority overturned three of the four contested provisions of Arizona's controversial plan to have state and local police enforce federal immigration law.
每一列都变成列表中的一项。
在这个定义中，我们有一项是已知的。
在一项研究中，施瓦茨观察了大四学生的决策过程。
In a study, Schwartz observed decision-making among college students during their senior year.
良好的团队合作精神在我们的现代职场中是一项核心技能。
Being a good team player is a central skill in our modern workplace.
在最近的一项研究中，贝西·斯派罗教授进行了一些实验。
In a recent study, Professor Betsy Sparrow conducted some experiments.
在另一项演示中，他们为华盛顿大学分析了细菌中的制氢过程。
In another demonstration, they analyzed hydrogen production in bacteria for the University of Washington.
整个学期都沉浸在一项工作中，真是一种特权。
It's such a privilege, spending an entire term diving into a single body of work.
在心理学上，我们完全集中精力于一项活动中的感觉被称为“心流”。
In psychology, the feeling of complete and energized focus in an activity is called flow.
在美国的一项研究中，研究人员测量了4739人这20多年来的幸福指数。
In a US study，researchers measured the happiness of 4739people over 20 years.
在最近的一项研究中，青少年志愿者们独自或与朋友一起玩视频驾驶游戏。
In a recent study, teen volunteers played a video driving game, either alone or with friends watching.
在美国一所大学进行的一项研究中，研究人员从鞋子上收集了微小的细菌。
In one study conducted at an American university, researchers collected microscopic germs from footwear.
赫顿一生中获得了244项发明专利。
一项拟议中的联合项目将开发用于“21世纪国家信息基础设施”的原型或示范模型。
A proposed joint project would develop a prototype or demonstration model for the "21st-century national information infrastructure".
在一项实验中，老鼠们又饥又渴。
在一项研究中，学生们得知他们在学校的社会地位并非不可改变。
In one study, students were told that their social position in the school is not unchangeable.
在最近的一项研究中，斯蒂芬·桑德斯·韦伯对这一观点提出了严峻的挑战。
In a recent study, Stephen Saunders Webb has presented a formidable challenge to this view.
在一项实验中，近200名参与者登上一辆双层巴士游览费城。
In one experiment, nearly 200 participants boarded a double-decker bus for a tour of Philadelphia.
在一项研究中，仅仅是在绿色环境下阅读就改善了孩子的症状。
In one study, just reading outside in a green setting improved kids' symptoms.
在一项研究中，参与者被要求在涂鸦或静坐的时候听一份名单。
In one study, participants were asked to listen to a list of names while either doodling or sitting still.
在一项实验中，雄性草原田鼠服用了一种抑制抗利尿激素作用的药物。
In an experiment, male prairie voles were given a drug that suppresses the effect of vasopressin.
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