They seem to use both the intensity and direction of the magnetic fields to navigate.
它们看起来即使用磁性的强度又利用磁场方向来航行。
Ultraviolet disinfection, will use appropriate application of dose intensity and traffic limit device.
紫外线消毒时，将使用适当的应用剂量强度和流量限制器。
Ultraviolet disinfection, will use appropriate application of dose intensity and traffic limit device.
紫外线消毒时，将使用适当的应用剂量强度和流量限制器。
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