经过彻底的调查，许多专家现在认为，这条轨迹是一条普通的喷气式飞机尾迹。
After a thorough investigation, many experts now believe that the streak was a run-of-the-mill jet aircraft contrail.
高度重视并采纳世界卫生组织专家经过实地考察提出的宝贵建议。
We value the useful advice by WHO experts after their field inspections and have acted upon them.
这一观点是我们经过自己的调查以及和一系列安全以及儿童专家磋商之后才建立的。
This view point has been developed by our own research and in consultation with a number of safety and child protection experts, " the spokesperson said.
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