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+Group information: 201732120110	Zheng Xiaoyu
+
+Date: 2019-04-13
+
+[0.5/2] Requirements must be testable.
+
+      No explicit test cases.  
+
+
+[1/2] Specified acceptable responses to undesired events.
+
+      "The file contains an optional head line": how to handle the case of no head line?
+      "AT1G01046 	0 	0 	0": how to handle the case of 0/0?
+
+      
+[1.8/2] Readable and understandable by customers, users, and designers.
+
+       "logogram": this is a rarely seen word.
+       "Valid submitted gene expression file has the following format" -> "A valid gene expression file has the following format"
+       " has a upload file button " -> "  has an upload file button "
+       " When the biologists upload a plain text file which has two samples of different levels of expressed genes and each sample represents a experimental condition.": this is Not a complete sentence.
+       " If the biologists upload an invalid gene expression " -> "If the biologists upload an invalid gene expression file"
+       " Before analyse:" -> " Before analysis:"
+       " After analyse:" -> " After analysis:"
+       " (you can image an ordinary login interface)": delete this sentence.
+       "restrict the accessing time within 5 seconds.": ???
+       "Since the application is designed for a wildly used application, it should have a cross platform compatibility to satisfy various users. Thus": delete.
+       "The maintenance of the database. ": Are you sure OMG needs a database?
+       "basically functions": basic functions
+       "some constrains about the application": some constraints about the application
+
+
+[0/1] Specifies changes anticipated in the future (for both environment and software)
+      
+      No change cases.
+
+
+[1/1] Structured to be easy to change.
+
+        "Web maintenance & Security": you can entirely omit this section or make it shorter.
+
+	
+[0.7/1] Consistent, complete, unambiguous, and realistic.
+
+        "aimed at idengtifying a gene expression file"  -> idengtifying differentially expressed genes
+	"make the software more completely." -> make the software better.
+	"while C is the gene expression level from a control sample": add a period.  How to handle the case where C=0?
+	"user characteristics - constraint - specific requirement": I could not see these chapters "user characteristics" and "specific requirement"
+	"The scatter plot displays differentially expressed genes.": the plot has many points closely along the diagonal line.
+	"the app requires only 500GB of RAM to support the use of visitors": Are you sure 500GB is realistic? Did you mean disk space?
+
+	
+[0/1] Specifies what should not do as well as what should do.
+
+---------------------------------------------------------------
+
+[5.0/10] Total
+
+
+Other comments:
+
+Please see the comments after each check item.