本文探讨标准和非标准扫频仪中的几种频率标志的形成方法和适用场合。

This paper discusses several methods of frequency marker generation and their applications in standard and non-standard sweep analyzers.

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草图在设计插画和标志时的使用频率就比网站大的多。

An illustration or a logo is likely to need more sketching than a website.

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标志确定RSpec执行代码块的频率。

The symbol determines how often RSpec should execute the code block.

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So, this really just means for frequency, it's a frequency label.

你要说米每秒，所以它仅仅是，用来表示频率的，是个频率的标志。

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They use food frequency questionnaires, which I mentioned before, surveys, and then biological markers like blood tests of certain things to see how diet is related to health.

研究员还运用食物频率调查表,我之前曾提到过,各类调查以及生物标志物,像是血液检测等手段,来研究饮食与健康之间的关系

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