New Crowdin translations - zh-CN (#24854)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>

docs/zh/sensor/accelerometer.md

@@ -1,12 +1,12 @@
-# Accelerometer Hardware & Setup
+# 加速度计硬件与设置
 
-PX4 uses accelerometer data for velocity estimation.
+PX4使用加速计数据进行速度估计。
 
-You should not need to attach an accelometer as a stand-alone external device:
+你无需将加速度计作为独立的外部设备进行连接。
 
-- Most flight controllers, such as those in the [Pixhawk Series](../flight_controller/pixhawk_series.md), include an accelerometer as part of the flight controller's [Inertial Motion Unit (IMU)](https://en.wikipedia.org/wiki/Inertial_measurement_unit).
-- Gyroscopes are present as part of an [external INS, ARHS or INS-enhanced GNSS system](../sensor/inertial_navigation_systems.md).
+- 大多数飞行控制器，例如[Pixhawk系列](../flight_controller/pixhawk_series.md)中的飞行控制器，都将加速度计作为飞行控制器[惯性测量单元（IMU）](https://en.wikipedia.org/wiki/Inertial_measurement_unit)的一部分。
+- 陀螺仪作为[外部惯性导航系统、姿态与航向参考系统或惯性导航增强型全球导航卫星系统](../sensor/inertial_navigation_systems.md)的一部分而存在。
 
-The accelerometer must be calibrated before first use of the vehicle:
+在首次使用载具之前必须校准加速计：
 
-- [Accelerometer Calibration](../config/accelerometer.md)
+- [加速度计校准](../config/accelerometer.md)

docs/zh/sensor/gyroscope.md

@@ -1,12 +1,12 @@
-# Gyroscope Hardware & Setup
+# 陀螺仪硬件和设置
 
-PX4 uses a gyroscope for estimating the vehicle attitude (orientation).
+PX4使用一个陀螺仪来估计载具的姿态（方向）。
 
-You should not need to attach a gyroscope as a stand-alone external device:
+你无需将陀螺仪作为独立的外部设备进行连接：
 
-- Most flight controllers, such as those in the [Pixhawk Series](../flight_controller/pixhawk_series.md), include a gyroscope as part of the flight controller's [Inertial Motion Unit (IMU)](https://en.wikipedia.org/wiki/Inertial_measurement_unit).
-- Gyroscopes are present as part of an [external INS, ARHS or INS-enhanced GNSS system](../sensor/inertial_navigation_systems.md).
+- 大多数飞行控制器，如 [Pixhawk Series](../flight_controller/pixhawk_series.md) 都将陀螺仪作为飞行控制器 [惯性测量单元（IMU）](https://en.wikipedia.org/wiki/Inertial_measurement_unit) 的一部分。
+- 陀螺仪作为[外部惯性导航系统、姿态与航向参考系统或惯性导航增强型全球导航卫星系统](../sensor/inertial_navigation_systems.md)的一部分而存在。
 
-The gyroscope must be calibrated before first use of the vehicle:
+在首次使用载具之前必须校准陀螺仪：
 
-- [Gyroscope Calibration](../config/gyroscope.md)
+- [陀螺仪校准](../config/gyroscope.md)

docs/zh/sensor/px4flow.md

@@ -1,8 +1,8 @@
-# PX4FLOW Smart Camera (Deprecated)
+# PX4FLOW 智能摄像机(过时)
 
 <Badge type="info" text="Discontinued" />
 
-PX4 does not support the PX4Flow [optical flow](../sensor/optical_flow.md) sensor from PX4 v1.13 (it doesn't work with current firmware).
-PX4 may work with older PX4Flow firmware.
+PX4 不支持 PX4 v1.13 的 PX4Flow [光流](../sensor/optical_flow.md)传感器（它不适用于当前固件）。
+PX4可以使用旧的 PX4Flow 固件。
 
-Documentation has been removed (if needed, see [Legacy Docs for PX4Flow in v1.13](https://docs.px4.io/v1.13/en/sensor/px4flow.html)).
+文档已被删除（如果需要, 请参阅[v1.13中的 PX4Flow 的旧文档](https://docs.px4.io/v1.13/en/sensor/px4flow.html)）。

docs/zh/sensor/tachometers.md

@@ -1,9 +1,9 @@
 # 转速计（转数计数器）
 
-Tachometers (also known as [revolution-counter sensors](https://en.wikipedia.org/wiki/Tachometer#In_automobiles,_trucks,_tractors_and_aircraft)) can be used to measure the rate of rotation turning vehicle parts like rotors, engines, or wheels.
+转速表（又称[也被称为转数计数器传感器](https://en.wikipedia.org/wiki/Tachometer#In_automobiles,_trucks,_tractors_and_aircraft)）可用于测量诸如旋翼、发动机或车轮等车辆转动部件的旋转速率。
 
 :::info
-Currently PX4 just logs RPM data: it is not used for state estimation or control.
+当前 PX4 仅记录 RPM 数据：它没有用于状态估计或控制。
 :::
 
 本节列出了 PX4 支持的转速计传感器（更详细的文档点击链接）。
@@ -13,4 +13,4 @@ Currently PX4 just logs RPM data: it is not used for state estimation or control
 
 ## 支持的硬件
 
-- [ThunderFly TFRPM01 Tachometer](../sensor/thunderfly_tachometer.md)
+- [ThunderFly TFRPM01 转速传感器](../sensor/thunderfly_tachometer.md)