航海模型：是指船舶、军舰的模型，通常是指体育运动项目中的模型制作、比赛、展览、表演。它是一项科技、军事、体育、文化教育活动。通过制作模型、比赛、展览、表演等多种形式，了解关于船舶、海军、海洋方面的各种知识，提高他们的综合素质。
Navigation model: refers to the model of ships and warships, usually referring to the production, competition, exhibition, and performance of models in sports events. It is a technological, military, sports, cultural and educational activity. By creating models, competitions, exhibitions, performances, and other forms, we can gain knowledge about ships, navy, and the ocean, and improve their overall quality.
航海模型是具有科技性的体育运动项目，通过研究制作、在水上操纵各种模型，学习航海科学知识。航海模型在我国已开展五十余年，受到广大群众，特别是青少年的喜爱。航海模型种类很多，分类的也各有不同。按照世界航海模型运动联合会NAVIGA的规则，航海模型的竞赛项目分为五类：
Navigation models are technological sports events that involve studying, creating, and manipulating various models on water to learn about navigation science. Navigation models have been developed in China for more than 50 years and are loved by the general public, especially teenagers. There are many types of navigation models and their classification varies. According to the rules of the World Federation of Navigation Model Games NAVIGA, the competition events for navigation models are divided into five categories:
1、动力艇航海模型（M），内燃机动力圆周竞速和无线电遥控单艇或多艇竞速的竞速艇模型；
1. Power boat navigation model (M), a racing boat model with internal combustion engine power for circular racing and radio remote control for single or multiple boat racing;
2、仿真航海模型（C），只评比建造工艺技术水平的舰船、设备及建造场景等各类模型；
2. Simulated navigation model (C), only evaluating various models such as ships, equipment, and construction scenarios with advanced construction technology level;
3、耐久竞速艇（FSR），无线电遥控，按专用竞赛场地、航线在规定的较长时间里集体竞速绕圈航行的竞速艇模型；
3. Durable Speed Boat (FSR), a radio remote controlled racing boat model that collectively races and navigates in circles for a specified period of time according to a dedicated competition venue and route;
4、帆船模型（S），它是-种无线电遥控帆船模型；
4. Sailing model (S), which is a radio controlled sailing model;
5、仿真航行航海模型（NS）。
5. Simulated Navigation Model (NS).
开云网页登录 是以军事外形（系统等外部肉眼可见部件）为形象按一定比例缩小的模型，一般用于教学、展览、实验及装饰等。航海模型中的军舰、潜艇、航空母舰等军事则就属于开云网页登录 ，而宏辰军航专注大型、仿真开云网页登录 类。
A military model is a model that is scaled down based on the appearance of military weapons (external visible components such as weapon systems) and is generally used for teaching, exhibitions, experiments, and decoration. Military weapons such as warships, submarines, and aircraft carriers in navigation models belong to military models, while Hongchen Military Airlines focuses on large-scale, simulated military models.
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