https://ojs.as-pub.com/index.php/JYYJ/article/download/6506/2516/
Thumbnails
Document Outline
Attachments
Previous
Next
Highlight all
Match case
Presentation Mode
Open
Print
Download
Current View
Go to First Page
Go to Last Page
Rotate Clockwise
Rotate Counterclockwise
Enable hand tool
Document Properties…
Toggle Sidebar
Find
Previous
Next
Presentation Mode
Open
Print
Download
Current View
Tools
Zoom Out
Zoom In
Automatic Zoom
Actual Size
Fit Page
Full Width
50%
75%
100%
125%
150%
200%
300%
400%
More Information
Less Information
Close
Enter the password to open this PDF file:
Cancel
OK
File name:
-
File size:
-
Title:
-
Author:
-
Subject:
-
Keywords:
-
Creation Date:
-
Modification Date:
-
Creator:
-
PDF Producer:
-
PDF Version:
-
Page Count:
-
Close
Preparing document for printing…
0%
Cancel