Group 1 - The Shenzhou-22 spacecraft is primarily a cargo mission, carrying supplies such as food, medicine, and fresh fruits and vegetables, rather than transporting astronauts [1][4] - The mission includes a variety of food options tailored to the astronauts' preferences, including Sichuan and Shandong flavors, and features items like chicken wings, steak, and cake [1][4] - The spacecraft has undergone several technical improvements, enhancing human-machine interaction, comfort, and payload capacity, which supports the operation of the space station [3][7] Group 2 - The cargo is secured in a practical manner using soft packaging and a large bag that fits the shape of the seats, ensuring balance during the flight [6][7] - The mission is characterized as a manned spacecraft in an unmanned state, with the goal of maintaining the center of mass and other characteristics within specified limits [7]

Core Viewpoint - The article discusses the development of a world-first "space oven," a hot air baking machine that enables cooking in space, effectively bringing a kitchen to the space station [1] Group 1 - The hot air baking machine represents a significant advancement in space cooking technology [1] - This innovation allows astronauts to prepare meals in a more familiar and comfortable manner while in space [1] - The development of this equipment highlights the ongoing efforts to improve life quality for astronauts during long-duration missions [1]

Core Points - The Chinese space station has introduced a new "oven" for astronauts, allowing them to cook and bake food in space for the first time [2][3] - The introduction of the oven is part of efforts to enhance the living conditions of astronauts, with a significant expansion in the variety of food available [2][3] Group 1: Space Kitchen Innovations - The new oven enables astronauts to prepare dishes like grilled chicken wings and black pepper steak, enhancing their dining experience in space [2] - The oven employs advanced technologies for smoke-free cooking, meeting the space station's emission standards, and has been rigorously tested for reliability [2][3] Group 2: Food Variety and Nutritional Improvements - The range of food types for astronauts has expanded to over 190, with a flight menu cycle extended to 10 days, allowing for fresh vegetables, nuts, cakes, and meats to be cooked in space [2] - Research has led to breakthroughs in growing fresh produce in space, with successful cultivation of seven plant types, providing astronauts with 4.5 kilograms of fresh fruits and vegetables [3]