Preliminary analysis suggests the plane may have experienced technical problems.

初步分析表明这架飞机可能存在技术问题。

At present, preliminary analysis has been carried out, Zhu said.

朱说，目前已经进行了初步分析。

More than 80% of these were from Gauteng province and preliminary analysis suggests the variant has rapidly become the dominant strain.

其中 80% 以上来自豪登省， 初步分析表明该变种已迅速成为优势菌株。

But a preliminary analysis done by outside researchers has found the projections to be reasonably accurate and the cost overruns to be reasonably small — about 7 percent from the planning stages of a transportation project to completion.

但外部研究人员进行的初步分析发现，预测相当准确，而且成本超支相当小——从交通项目的规划阶段到完成，成本超支约为 7%。