As operated for many years , the aged observational instruments in seismostation of shengli oil field need to update 摘要胜利油田地震台各观测手段经过多年运行，需更新老化的仪器。
It is mathematically proved that angular glint linear deviations are independent of radar observational range in far - field region 理论分析和数值计算表明，在几何光学条件近似下。
Hence , there were serious and detailed observational records , but no significant models for predictions 所以，中国人很早已经对天象作认真而细致的观测，更留下了大量详细的天象记录。
The empirical evidence for this is observational only , but without access to source code that is all it can be 这一理论的经验证据只是观察得来的，然而接触不到源代码，也就能那样了。
This study discusses measurement issues related to observational methods and introduce strategies to deal with these issues 本文的目的乃在讨论观察法的常见议题以及处理这些议题的方法。
There are multiple possible reasons for discrepant results between observational studies and large randomized trials 导致观察性研究和大规模随机临床试验结果之间不一致的可能原因有多种。
There are also additional channels for other applications . the multi - observational channels have enabled certain invisible features e . g 此系列卫星还有其他频道没有列在表上可作别的用途。
Experimental astrophysicist george smoot is an active researcher in observational astrophysics and cosmology 试验天体物理学家乔治-斯莫特是一位在活跃天体物理学和宇宙学领域非常活跃的科学家。
These two observational documentaries follow children with metal health problems ? obsessive compulsive disorder ( ocd ) and eating disorder 儿童在成长过程中，身心的健康发展是家长们最重视的一环。
These observational findings are in contrast to earlier randomized trials of amiodarone and need to be validated prospectively 这些观察数据与以前关于胺碘酮的随机研究数据矛盾，需要进一步研究以明确。
