PWA has set up branch offices in Shanghai, Beijing, Guangzhou, Chengdu and Dalian, also providing service in over 76 cities.

博智永达在上海、北京、广州、成都、大连等地设有分公司，覆盖全国五大区域，服务超过76个城市。

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All results indicated that the PWA content affected the structure of composite films, which resulted in the different photochromic properties.

这些结果表明钨磷酸含量对复合膜的微结构存在影响，从而导致了复合膜具有不同的光致变色性能。

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PWA-1 automatic ultrasonic phased array testing system developed in our country was introduced, and the future improvement of the system was also described.

对国内率先开发的PWA - 1型全自动相控阵超声检测系统进行了详细介绍，并对该系统的进一步开发进行了展望。

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PWA-1 automatic ultrasonic phased array testing system developed in our country was introduced, and the future improvement of the system was also described.

对国内率先开发的PWA - 1型全自动相控阵超声检测系统进行了详细介绍，并对该系统的进一步开发进行了展望。

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