Once Xrays showed the fracture line unclearly, it is considered as bone healing.
发现骨折移位后均给予切除缝合治疗。
The waves of this radiation can have different wavelengths (distance between wave "tops"). The wavelength can go from ultra small (xrays for example) to very wide (radio transmissions).
它有不同的波长，从很短的紫外到很长的红外。
The waves of this radiation can have different wavelengths (distance between wave "tops"). The wavelength can go from ultra small (xrays for example) to very wide (radio transmissions).
它有不同的波长，从很短的紫外到很长的红外。
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