Merge pull request #190 from apache/feat-effectScatter-ripple-number

feat(effectScatter): add a new option `rippleEffect.number` introduced by apache/echarts#15335.
diff --git a/en/option/series/effectScatter.md b/en/option/series/effectScatter.md
index 2dacb1d..e76a945 100644
--- a/en/option/series/effectScatter.md
+++ b/en/option/series/effectScatter.md
@@ -47,6 +47,16 @@
 
 Color of the ripple rings. The default value is the color of scatter.
 
+### number(number) = 3
+
+{{ use: partial-version(
+    version = "5.2.0"
+) }}
+
+<ExampleUIControlNumber min="0" default="3" step="1" />
+
+The number of ripples.
+
 ### period(number) = 4
 
 <ExampleUIControlNumber min="0" default="4" step="0.1" />
diff --git a/zh/option/series/effectScatter.md b/zh/option/series/effectScatter.md
index e225992..0a26809 100644
--- a/zh/option/series/effectScatter.md
+++ b/zh/option/series/effectScatter.md
@@ -64,6 +64,16 @@
 
 涟漪的颜色,默认为散点的颜色。
 
+### number(number) = 3
+
+{{ use: partial-version(
+    version = "5.2.0"
+) }}
+
+<ExampleUIControlNumber min="0" default="3" step="1" />
+
+波纹的数量。
+
 ### period(number) = 4
 
 <ExampleUIControlNumber min="0" default="4" step="0.1" />