Primary data are gathered using a survey, observation, or an experiment.

原始数据要通过调查、观测和试验的方法来获取。

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With a much longer observation time than in the survey, the follow-up observation should show whether a new pulsar has been found or not with a very high level of confidence.

因为这次的观测使用了更长的时间，应该可以得出结论，即是否找到了一颗新的脉冲星，或者只是巧合。

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Survey, interview, or observation research where Federal statutes require without exception that confidentiality will be maintained.

联邦法令中没有特别规定需要保密的调查、访谈或观察等研究。

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The survey supports this observation, in that 92 percent of respondents agree that self-defense, in order to interrupt an in-progress attack, is a necessity.

FORBES: Is Your IT Posture That Of A Protector, Detective, or Warrior?

Mr Clarke's observation is backed up by a global survey of chief executives.

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