第三阶段临床试验用于测试该疫苗是否能够预防真正的传染，由于现在人群中还没有出现大规模的H5N1禽流感传染，所以该阶段还没有实施。
The third phase, to test whether the vaccine prevents real infection, has not yet been carried out, as there has been no massive spread of H5N1 influenza in people.
几种胰岛素片剂正处于临床试验的不同阶段，而且还可能进入后一阶段甚至更严格的临床测试。
Several insulin pills are now in various stages of clinical trials, and proof of concept may allow them to move into late-stage and more rigorous clinical testing.
项目开发经过前期的选题、市场调研、技术分析等阶段，现在已经进入试验阶段且运行测试效果良好。
Through earlier stage's market research, technology analysis, the actual system has reached to a phase of system test, which have a good test results.
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