Gentamicin concentration was determined in sequential apical samples that were taken after up to 3 hours of local application to the round window niche.

在圆窗龛局部应用庆大霉素三小时后，从耳蜗顶部获取的连续样本结果决定庆大霉素的浓度。

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Since its inauguration in 1969, the YMS has carved a niche in the arts community as an organization dedicated to the promotion and support of local musical carts.

自1969年成立以来，青年音乐家协会作为一个致力于促进和支持本土音乐建设的组织，已经在艺术界有了一席之地。

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Local niche deals look like a good lifestyle business for savvy entrepreneurs, but are unlikely to yield more than a few scalable businesses.

FORBES: E-commerce's Feeding Frenzy

As the armor of horizontal sites like Groupon and LivingSocial begins to dent due to aggressive contract terms, saturation by deal seekers, and shaky financials, market forces are shifting in favor of deal sites from local and niche publishers with an audience, brand authority and sales team already in place.

FORBES: The Trouble With Groupon: Daily Deal Sites Need To Go Local

Although niche and local blogs have appeal to specific audiences, some real estate blogs have had success with a national focus.

FORBES: Real Estate Feature