first-hand data 一手数据 ; 第一手资料
accumulate first hand data 积累第一手资料
accumulate first-hand data 积累第一手资料
get a first hand data 提供第一手资料
to accumulate first-hand data 积累第一手资料
data gathered first-hand 搜集的第一手资料
A large amount of first hand data have been gained by the field investigation of the carbonate karst of the Ordovician system in the Xishan Hill of Beijing.
通过对北京西山奥陶系碳酸盐岩岩溶的野外调查，取得了大量的第一手资料。
However, as most Linux kernel testing efforts have only been conducted over short periods of time, this series of tests provides us first-hand data and results of longer runs.
然而，由于大部分的Linux内核测试工作历时都比较短，因此本系列测试为我们提供了长时间运转的第一手数据和结果。
It was the first time that data, voice and video over the hand-held commercial devices were simultaneously transmitted over both 3g and military tactical radios without any interruptions in service.
这是首次实现手持式商用设备上的数据、语音和视频通过3g网和军事战术无线电同时传输，并且服务过程中没有任何中断。
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