From 8e7479352e70f6be19e043d753aaafe1a08f4cbf Mon Sep 17 00:00:00 2001
From: yanglx2022 <yanglx2022@hotmail.com>
Date: Tue, 2 Jul 2019 18:45:46 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B7=9D=E7=A6=BB=E6=8C=87=E6=A0=87=E6=8F=8F?=
 =?UTF-8?q?=E8=BF=B0?=
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---
 location/marvelmind/doc.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/location/marvelmind/doc.md b/location/marvelmind/doc.md
index 48f4ffa..9f2e108 100644
--- a/location/marvelmind/doc.md
+++ b/location/marvelmind/doc.md
@@ -13,7 +13,7 @@ Marvelmind 超声定位系统能够为机器人、自动驾驶车辆、无人机
 
 | 参数 | 技术指标 |
 | --- | --- |
-| 标签距离 |  30m (两个标签都只开一个换能器正对测距) |
+| 标签距离 |  30m (理想情况下测试结果) |
 |         |  <20m (常规建图定位建议距离) |
 | 定位精度 | 绝对精度：距离的1~3% |
 |         | 差分精度：±2cm |