志愿者

The study found thirty-one percent fewer cases of infection in the vaccine group than in the placebo group.

研究发现接受疫苗的志愿者感染率要比接受安慰剂的低31%。

Methods Thirty-one patients with chronic viral hepatitis and 18 healthy volunteers were enrolled for this study.

选取慢性病毒性肝炎患者31例为病例组，18名健康志愿者为对照组。

Each nation has many good people who help to take care of others. For example, some high

志愿者 每个国家都有许多善良的人们帮助照顾别人。

As a singer, torch bearer, and volunteer, etc., Tan Jing has taken part in the Beijing Olympic Games from the very beginning to the end, and presented at the Opening Ceremony and Closing Ceremony of the Olympic Games and those of the Paralympic Games; added to this, she also published her personal Olympic album, in which "the Sky","Fly with You", and "Let Me Have You" became popular.

在北京奥运会期间，谭晶一直以歌手、火炬手、志愿者等身份参与其中，并参加了奥运会开幕式、闭幕式、残奥会开幕式的演出，出版了个人奥运专辑，歌曲《天空》、《一起飞》、《让我拥有你》等广为传唱。

But in my opinion, to be a volunteer or a torchbearer not the only way to devote for olympics.

但是我觉得不一定非要当志愿者或火炬手才能对奥运会作出贡献。

Methods: Totally 101 patients with EH and 31 healthy volunteers were enrolled. Systolic peak velocity was measured at basal and middle segments in different left ventricular walls using real-time triplane quantitative tissue velocity imaging.

选择原发性高血压患者101例和健康志愿者31例，应用实时三平面成像技术同时显示心尖四腔心、心尖两腔心和心尖左心室长轴切面，启动定量组织速度成像模式测定左心室各壁基底段和中间段收缩期峰值速度。

Others waited on the edge of town to help exhausted refugees to trudge out of this valley of desolation.

其他的志愿者们则等候在小镇的边缘，帮助精疲力竭的难民们步履蹒跚地离开这个荒废的山谷。

To compare the different characteristic between different sites of insertion for TVP,and between dry swallowing and liquid swallowing.

随机选择20名年龄在24～36周岁健康人志愿者进行双侧TVP的EMG分析。

A bereft Liu, looking pained and shocked walked back into the undercroft of the Bird's Nest stadium passing astonished Chinese volunteers and officials before sinking to the ground in front of the giant athletics backdrop.

束手无策的刘翔，在巨大的田径比赛落幕之前，穿过惊讶的官员和志愿者，一脸痛苦和困顿地进入鸟巢体育场的地下通道。

The Clean Energy project uses computational chemistry and the willingness of the people to look for the best molecules to fulfill these roles: organic photovoltaics for producing unexpensive solar cells, polymers for membranes to be used in fuel cells, how to assemble them?

清洁能源项目，借助于计算化学和志愿者，来寻找最佳的分子以实现这些：用有机光电池来生产价格低廉的太阳能电池，用聚合物薄膜制造燃料电池……但是该如何装配他们呢？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。