PHS uses TDMA/TDD for its radio channel access method, and 32 kbit/s ADPCM for its voice codec.

小灵通使用TDMA(分时多址)/(时分复用)作为其接入无线网络的方法，且声讯编码以自适应差分脉冲编码调制方式调制，速率为每秒32千比特。

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The Office of Research Integrity (ORI) promotes integrity in biomedical and behavioral research supported by the U. S. Public Health Service (PHS) at about 4,000 institutions worldwide.

研究诚信办公室（ORI）促进在世界范围内大约4，000个研究机构进行的受美国公共卫生署（PHS）资助的生物医学和行为科学研究中的诚信。

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It is a complete cellular package (modularized PHS, technically), and Willcom says it's the smallest in the world at 25.6 x 42.0 x 4mm (1 x 1.65 x 0.15-inch).

ENGADGET: A closer look at Willcom's W-SIM