B-Scan transducers are used to create an ultrasonic two-dimensional cross section view.

医用B超换能器用于产生二维超声截面图。

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The surface morphology and section view of Al substrate in different conditions and Cr deposition were observed by SEM.

利用扫描电镜（SEM）及背散射电子像，观察了不同条件下基体与铬镀层的表面及断面形貌。

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They then need to go to the firm's Twitter page and select the Favourites section to view which items are on sale and the associated hashtags.

BBC: American Express launches purchase-via-Twitter service

Even worse from a non-proliferation point of view, is Section 301(c) which prohibits the control of U.S. parts or components if the item is assembled overseas.

CENTERFORSECURITYPOLICY: Center For Security Policy

Especially useful is a question-and-answer section with specifics on how to view a launch: how to apply for an official pass onto the Space Center grounds, where to park if you don't get a pass, even what radio stations to listen to for launch updates.

CNN: The Internet: the final frontier for space watchers