As one of key techniques of SNOM, sample tip distance regulation is important and difficult to realize as well.

作为SNOM的关键技术之一，样品与探针间距的控制尤为重要，而实现起来比较困难。

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They tip-toed out, through the broken weather-boarding, and stopped at a little distance to exchange a parting word.

他们踮起脚尖，从破木板缝里走了出来，走了一小段路就停下来相互道别。

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The distance from the tip of the Cape to the largest local city, Lenine (population ~ 70,000, image lower left) is only 20 kilometers (12 miles).

从海角顶端到当地最大的城市列宁(人口~ 7.0万，图像左下)的距离仅为20公里(12英里)。

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Mr. Fox said Tuesday that he considered the Staten Island site, but felt it had many challenges, including its distance more than five miles from the tip of Lower Manhattan.

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