The objective of this dissertation is to develop on-line sample preparation procedures based on membrane extraction and flow injection (FI) techniques.

第二部分研究了几种流动注射（FI）在线样品前处理技术，为FI应用于日常分析提供了新的思路和途径。

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To increase coverage, this land-line sample was supplemented by respondents reached through random dialing of cellphone numbers. The two samples were then combined.

为了增加覆盖率，除了陆上电话局抽取的样本外，调查者还随意拨打了一些手机号，并把两种样本结合起来统计。

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Create a line for each with sample text to be cut and pasted into the UI.

为每种情况创建一行说明，并配有可剪贴到UI的样例文本。

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Shortly after it opened in 2005, businessmen and suburbanites started travelling to the city to join the locals in a perpetual line to sample the pulled pork, brisket, ribs and excellent craft beer selection.

BBC: The rebirth of Detroit amid modern-day ruins

The authors thus base their absolute poverty line on the 15 countries in their sample below this threshold.

ECONOMIST: Has ��a dollar a day�� had its day?

In validation, especially if you have a sample product in hand, the temptation to cross the line from asking to selling is almost irresistible.

FORBES: Are You Making Something Usable? Part 5 -- What to ask?