[iotdb-docs] branch main updated: Update What-is-IoTDB.md on V1.2.x (#50)

[junqing]

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The following commit(s) were added to refs/heads/main by this push:
     new 042467b  Update What-is-IoTDB.md on V1.2.x (#50)
042467b is described below

commit 042467ba6f97daecdd8d04a3f583590ba3c2b821
Author: Junqing WANG <irvine0...@gmail.com>
AuthorDate: Thu Aug 10 14:58:39 2023 +0800

    Update What-is-IoTDB.md on V1.2.x (#50)
    
    Change IoTDB description
---
 src/zh/UserGuide/V1.2.x/IoTDB-Introduction/What-is-IoTDB.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/zh/UserGuide/V1.2.x/IoTDB-Introduction/What-is-IoTDB.md 
b/src/zh/UserGuide/V1.2.x/IoTDB-Introduction/What-is-IoTDB.md
index 3437589..f9de00b 100644
--- a/src/zh/UserGuide/V1.2.x/IoTDB-Introduction/What-is-IoTDB.md
+++ b/src/zh/UserGuide/V1.2.x/IoTDB-Introduction/What-is-IoTDB.md
@@ -21,4 +21,4 @@
 
 # IoTDB 简介
 
-IoTDB 是针对时间序列数据收集、存储与分析一体化的数据管理引擎。它具有体量轻、性能高、易使用的特点，完美对接 Hadoop 与 Spark 
生态，适用于工业物联网应用中海量时间序列数据高速写入和复杂分析查询的需求。
+IoTDB 
是针对时间序列数据收集、存储与分析一体化的数据管理引擎。具有体量轻、性能高、易使用的特点，适用于工业物联网应用中海量时间序列数据高速写入和复杂分析查询的需求，同时包含数据订阅、数据同步、负载均衡和运维监控功能。