Update batch.md with Introduction to Sun Grid System(SGE) (#423)

Enhancement 
#324

Author: GravityPHY

doc/batch.md

@@ -75,4 +75,11 @@ Read Fujitsu cloud service documentation for details.
 ## OpenAPI
 
 {dargs:argument}`batcy_type <resources/batch_type>`: `OpenAPI`
-OpenAPI is a new way to submit jobs to Bohrium. It using [AccessKey](https://bohrium.dp.tech/personal/setting) instead of username and password. Read Bohrium documentation for details.
+OpenAPI is a new way to submit jobs to Bohrium. It using [AccessKey](https://bohrium.dp.tech/personal/setting) instead of username and password. Read Bohrium documentation for details.
+
+
+## SGE
+
+{dargs:argument}`batch_type <resources/batch_type>`: `SGE`
+
+The [Sun Grid Engine (SGE) scheduler](https://gridscheduler.sourceforge.net) is a batch-queueing system distributed resource management. The commands and flags of SGE share a lot similarity with PBS except when checking job status. Use this argument if one is submitting job to SGE based batch system.