The change of photosensitizer diffuse characteristic have a great effect on the producing of singlet oxygen in epidermis and dermis, but no use in vessel.
光敏剂扩散特性的改变，对真皮和表皮中单线态氧的产生有较大影响，对血管中单线态氧的产生没有影响。
In other words, the 'force' appears to adjust its strength automatically to match the mass of the object, thus always producing the acceleration characteristic of the location.
用另外的话说就是，这个“力”似乎会根据物体的质量来自动调整它的大小，这样就能在某个位置总是产生同样的加速度。
In this paper, the background of producing the Fieldbus is introduced. The paper discusses the characteristic of CAN bus and the application of automatic manufacture.
本文论述现场总线产生的背景，介绍了CAN现场总线的特点，并讨论了在机械加工自动化中的应用。
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