doc

doc/demo06_move/image/vector11.png.import

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+}
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+dest_files=[ "res://.import/vector11.png-2058f2fd541c7dd5015221aa38651320.stex" ]
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doc/demo06_move/move.md

@@ -8,6 +8,12 @@
 ![Image text](image/vector06.JPG)
 ![Image text](image/vector07.JPG)
 ![Image text](image/vector08.JPG)
+
+- a·b=||a||||b||cosθ, 这个是向量的内积，又叫数量积，又叫点积。
+- axb = ||a||||b||sinθ，这个是向量的外积，又叫向量积，又叫叉积。
+
+![Image text](image/vector11.png)
+
 ![Image text](image/vector09.JPG)
 ![Image text](image/vector10.JPG)