该系统可在空气中快速、准确测量表面功函数。
This system can measure the work function precisely accurately and quickly in atmosphere.
利用接触势差法自行设计开发了一种新型的表面功函数测试装置。
We have made a novel instrument for the measurement of work function using contact potential difference method.
这一工作表明，用测量局域功函数的方法容易区分表面上不同的元素，并具有纳米尺度的空间分辨率。
It is demonstrated that the local work function measurement by STM is a powerful way to identify different elements with nanometer resolution.
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