The samples from every country but Greece were loaded with various types and amounts of pollen.

除了希腊，每个国家的样品都有不同类型含量各异的花粉。

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The samples in each country were designed to be nationally representative and represent about 96 percent of the world's population.

每个国家的样本别设计用来做全国的典型，并代表全世界96%的人口。

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The poll was conducted by WIN Network members among representative samples of the population in each country.

这一调查报告是WIN网站通过从每个国家选取有代表性的人群进行的。

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After more beekeepers began reporting problems, van Engelsdorp started travelling around the country, collecting samples.

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In situations such as the ongoing conflict in Syria, reliance on broadcast witness statements, videos and photographic images and even the analysis of samples brought out of the country will always be somewhat problematic as there is no independent way to verify the information.

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That's when the Centers for Disease Control and Prevention launched a network of 50 specialized laboratories across the country for state-of-the-art analysis of samples from infected patients.

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