The Goddard Space Flight Center honors the man whose work proved that machines could travel out of Earth's atmosphere into space.

Passport, visa ( residence permit) of person at work and Alien Employment Permit or other employment certificates;

在职人员的护照、签证（居留许可）及《外国人就业证》等工作证明文件；

Previous studies by our laboratory showed that TCR/ CD3 complex could mediate activation as well as activation-induced cell death of T lymphocytes.

本实验室以前的工作证明TCR／CD3复合物可以介导T淋巴细胞的激活和激活诱导的细胞死亡（Activation-induced cell death，AICD）。

All the work in this paper shows that directly syntactic boundaries prediction based on word and POS information without phrase labels is feasible.

本文的工作证明了不利用短语标记信息而仅仅利用词和词性信息直接进行句法边界分析是可行的。

Our study suggested that administration of ET& 1_ ( 1-31) through coronary artery increased blood pressure of rats.

本工作证明经冠状动脉口给予ET-1（1-31）产生升压作用，无降压作用。

It is verified that artificial neural network can simulate the penetrating characteristics of pile and the calculation achieved is useful in engineering.

本文的工作证明人工神经网络可以模拟桩的贯入特性，所作的计算具有工程实用性。

Experimental work indicates that about 14% of the bromide in sea water precipitates with the halite as sea water evaporates.

实验工作证明，当海水蒸发时，海水中约有14%的溴化物与石盐同时沉淀。

More important, she was a conscientious and caring citizen whose work on behalf of her union and her country exemplified true service.

更重要的是，她是一个有责任感、有爱心的公民，她代表联邦和国家的工作证明了她的尽职尽责。

We have shown that stem cell-based treatments can save lives and can be used in the creation of living structures which draw upon the body's own natural healing mechanisms for their support.

我们的工作证明干细胞为基础的治疗可以救治患者生命并可以通过唤起机体自身自然修复来实现重塑组织结构。

The job turned out to be beyond his rather limited abilities.

这项工作证明超出了他那非常有限的能力。

The model experiments and practical application show that by careful selection of seismic source and survey parameters, the seismic image profiling method can used effectively to verify of the integrity of concrete construction elements.

模型实验和实测工作证明：在合理选择震源及各种测量参数条件下，高频地震映象方法可有效地检测混凝土构件完整性，实现对混凝土构件质量新的监测。

Various simulations demonstrate that networks performances are sensitive to the RED parameters and supply the guideline for configuring those parameters.

仿真和实验工作证明了RED网络参数的配置对于网络环境的敏感性，并为网络性能的改善提供了依据；

Our findings demonstrated the power of nanotechnology in drug discovery and chemical biology research.

我们的工作证明了纳米技术在药物发现和化学生物学研究领域中的重要价值。

When I felt at loss, you called me all of a sudden and asked me whether I had finished the certification.

正当我愁绪满怀时，突然接到你的电话，你居然问我有没有写好工作证明。

Our work demonstrates the viability of topological error correction for fault-tolerant quantum information processing.

我们的工作证明了将拓扑量子纠错应用于容错量子信息处理过程的可行性。

The system proves that the control arithmetic is available and valid during the debugging and the working.

样机系统的调试和工作证明该算法是可行和有效的。

Clinical medical treatment and research work demonstrate that nasal functions and nasal diseases are related to the structure of nasal cavity.

临床医疗实践和研究工作证明：鼻腔结构几何形态与鼻腔能否保持正常功能以及鼻腔疾病有着密切关系。

The studying result proved the research method on automotive interior structural-borne noise control based on RSM is feasible and effective.

本文研究工作证明了基于响应面方法的车内结构噪声控制方法的可行性与有效性。

Virus isolation have demonstrated that long-distance migratory waterfowls are important spreaders of influenza viruses.

病毒分离工作证明，作长距离迁飞的水禽是流感病毒的重要传播者。

such unglamorous work demonstrates their commitment to their country's environment.

如此枯燥的工作证明了他们对祖国环境事业所肩负的责任

Our research work confirm that, the filtration process improves not only the common mechanical properties of alloy but also the fatigue feature of the as-cast aluminium alloy.

研究工作证明：过滤工艺不仅可以提高合金的常规力学性能，而且可以提高铸态铝合金的疲劳性能。