中项

Punctuality is a necessary habit in all public affairs of a civilized society.

准时是文明社会各项公共事务中的一项必不可少的习惯。

A study released this month by AARP finds that 70 percent of workers aged 45 and older expect to work at least part time in retirement.

本月AARP发布的一项研究表明，45岁以上的劳动者中，有70%的人期望在退休后仍能继续从事非全职工作。

Recent studies have shown that ultrasound-guided percutaneous microwave ablation is a simple, safe and potentially effective treatment for patients with liver tumors. To facilitate normative application of this technology further and make it more objective and predictive, there are many problems should been solved, such as pre-operative planning, intra-procedural target localization, precise and consistent placement of the tissue ablator device, and quantitative procedure evaluations.

近十年来的大量研究结果表明超声引导经皮微波消融治疗肝肿瘤是一项微创、安全、有效的治疗方法，为进一步推进该技术的规范化应用，使之建立在更加客观和可预见性的基础上，便于该技术的普及应用，需解决治疗前的科学规划、治疗中的准确定位、稳定穿刺及对治疗过程的量化评估等问题。

In these early works Unger argued that "knowledge" is an "absolute term" like "flat" or "empty."

在这些早期作品中，Unger论证说"知道"是一个诸如"平的"、"空的"等"绝对词项"。

ABSTRACT Aircraft design is a complex system engineering that plays a core role in aeronautical science and technology.

飞机设计是一项在航空科学技术中有着核心性作用的复杂系统工程。

Of course, this is one of trick of network of abstruse Ba Ma only.

当然，这只是奥巴马网络花招中的一项。

A study this year by the consulting firm Towers Perrin found just 3% of Japanese workers say they're putting their full effort into their jobs -- the lowest of 18 countries surveyed.

Towers Perrin咨询公司在2008年的一项研究中发现，只有3%的日本员工表示他们在尽全力工作－－这在18个受访国家中比例最低。

Finally, Ritola joined with Nurmi to win the 3,000m team race. In 1928, at the Amsterdam Olympics, Ritola placed second - behind Nurmi - in the 10,000m. His last Olympic appearance was in the 5,000m. This time Ritola pulled away from Nurmi in the final curve and won by 12 metres.

在1928年荷兰阿姆斯特丹夏季奥运会中，里托拉在10000米比赛中不敌努尔米获得银牌，他参加的最后一项奥运比赛是5000米长跑，这一次，里托拉战胜了队友努尔米，以12米的优势夺取自己的最后一枚奥运金牌。

Using a four-day food record and measurements of serum fatty acid composition, investigators in the Kuopio Ischaemic Heart Disease Risk Factor Study determined the association of dietary linoleic and total PUFA intake with cardiovascular and overall mortality in a population-based cohort of 1,551 middle-aged men.

透过一项为期4天的饮食纪录，以及评估血中脂肪酸组成，Kuopio缺血性心脏疾病危险因子试验的研究者，针对1，551位中年男性的群体基础族群，确定饮食中亚麻油酸、整体PUFA摄取与心血管与整体死亡率之间的关系。

Stands for the Laplace operator in R~N, u and v represent the densities of two species, a, b, c, d,γare positive constants,α,β, m, n each is more than the positive number 1,γmeasures the saturation level of the species.

充分光滑，△为R~N中Laplace算子，u，v分别表示区域Ω中两种群的密度，参数a、b、c、d、γ均大于0，α、β、m、n均是大于1的正数，γ是测量种群饱和项的水平。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。