From 0258bcd4641a4653d2b3d7d67f5fc8e607fcc3cf Mon Sep 17 00:00:00 2001
From: march3 <gang.wei@qq.com>
Date: Thu, 20 Apr 2023 20:01:47 +0800
Subject: [PATCH] =?UTF-8?q?Python=E8=B6=85=E4=BA=BA-=E5=AE=87=E5=AE=99?=
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---
 sim_scenes/science/free_fall_of_ball.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sim_scenes/science/free_fall_of_ball.py b/sim_scenes/science/free_fall_of_ball.py
index 015ba3b..ee731a8 100644
--- a/sim_scenes/science/free_fall_of_ball.py
+++ b/sim_scenes/science/free_fall_of_ball.py
@@ -15,7 +15,7 @@ if __name__ == '__main__':
     """
     自由落地模拟
     """
-    # 地球在中心位置
+    # 创建一个地球，位于中心位置，初始速度为 0
     earth = Earth(init_position=[0, 0, 0], init_velocity=[0, 0, 0],
                   size_scale=1, texture="earth_hd.jpg")
     # earth.raduis = 6373.22
-- 
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