Of this group, 226 are alive and 161 are still active in the study, which requires the men to answer questionnaires every two years and to be interviewed personally every 15 years.
该组研究对象中的226人依然在世，其中161人在研究中仍处于活动状态，即每两年回答一份调查问卷，并在每15年接受一次个人访问。
Fronius has the answer to the problem of how to lower these costs - Active Inverter Technology.
伏能士知道如何降低这些费用的答案—有源逆变技术。
To answer that question, the researchers observed the behavior of amputated octopus arms, which remain very active for an hour after separation.
为了找到答案，研究人员将章鱼腕足截取下来，观察其行为，这些腕足在离体一小时后仍然相当有活力。
But a great book, rich in ideas and beauty, a book that raises and tries to answer great fundamental questions, demands the most active reading of which you are capable.
但一本思想丰富、文字华美，试图提出带根本性的重大问题并加以回答的伟大著作，则要求你尽可能地进行最积极的阅读。
The Hubble Space Telescope has found the answer to a long-standing puzzle by seeing the details of giant but delicate filaments shaped by a strong magnetic field around the active galaxy NGC 1275.
“哈勃”空间望远镜观察到活动星系ngc 1275周围强大磁场塑造的巨大而精巧的细丝细节回答了一个长久以来难题。
His audience takes an active part in his play: they ask and answer questions, they obey orders and if they don't understand something, they say so.
他的听众要积极参与他的戏剧：他们询问并回答问题，他们遵守秩序，如果他们不明白他们可以说出来。
His audience takes an active part in his play: they ask and answer questions, they obey orders and if they don't understand something, they say so.
他的听众要积极参与他的戏剧：他们询问并回答问题，他们遵守秩序，如果他们不明白他们可以说出来。
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