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Chinese college students send self-developed satellite into orbit_我的网站

一 |     (ECNS) -- A student satellite team from Harbin Institute of Technology successfully launched its self-developed Lilac-3 satellite into orbit, marking a milestone for a young team involved in independent satellite development.    The satellite was launched aboard a Gravity-1 Y4 carrier rocket from waters near Shanghai at 10:54 a.m. on July 22. Telemetry data was successfully received at 11:41 a.m., confirming the mission’s success.    Lilac-3 features an ultra-flat disk-shaped design, with its main body measuring less than 5 centimeters in thickness. The design allows satellites to be stacked more efficiently during launches and is expected to support future low-orbit constellation deployment.    When the project began, about 70% of team members were undergraduates, with an average age of 22. Most had no previous experience with complete satellite engineering projects and learned new technologies during the development process.    After the first Lilac-3 failed to enter orbit due to a launch failure earlier this year, the team rebuilt the satellite within three months, improving its performance and adding new experimental tasks.    Founded in 2012, this team is the first university student team in China to independently complete satellite design, development and mission management. Lilac-3 is the fourth satellite successfully launched by the team.    (By Intern Liu Shuangjing, Zhang Dongfang)                    。    昨天，“加长版”三伏天正式收官，但暑气只是收敛，还没走远，杭州主城区最高温34.7℃，位列全省气温榜“前三甲”。不过，比起气温，最近的台风在天气舞台上更“显眼”，随着昨天上午8时台风“艾莎尼”诞生，海上出现了今年首次“四旋共舞”的局面，下午浙江省防指启动海上防台风应急响应。

二 | 先来看近期与浙江关系最密切的第20号台风“简拉维”，昨天中午其中心已经在福建省泉州市台商投资区张坂镇沿海登陆。浙江天气网显示，受“简拉维”影响，浙南和沿海地区有明显降水，今天降水强度相对昨天会减弱一些，同时还会伴有对流性降水，短时雨势增强，需注意防范。然而，台风“简拉维”的影响还未结束，“沙德尔”的影响即将开始。据中央气象台消息，今年第18号台风“沙德尔”（超强台风级）的中心昨天下午5点钟位于台湾省台北市偏东方向约1270公里的西北太平洋洋面上，中心附近最大风力16级（52米/秒），预计将以每小时20-25公里的速度向西偏北方向移动，强度变化不大，明天进入东海，并逐渐向浙闽沿海靠近。未来“沙德尔”会怎么走？需要高度关注。其实，自生成以来，“沙德尔”的关注就没少过 ——“沙德尔”和9号台风“巴威”、13号台风“白海豚”仿佛上演台风界的“三生三世”：都是远洋生成的台风、强度都达到超强台风、生命周期长，就连路径都有几分相似。从昨天下午的风云四号卫星云图上来看，超强台风“沙德尔”结构紧致，眼区逐渐清晰，同时在其南侧的21号台风“艾莎尼”由于距离太近，强度差距太大，正在被“沙德尔”撕扯吞噬。“艾莎尼”被吞噬，也为“沙德尔”提供更多水汽，并成为影响台风“沙德尔”进入东海后的路径和强度的重要因素之一。中国天气网显示，“沙德尔”即将进入我国48小时警戒线，并继续维持超强台风强度，明天进入东海，并可能于27日夜间至28日上午在浙江南部到福建沿海登陆（台风级或强台风级），但不排除27日下午到夜间登陆台湾东部沿海（强台风级）后，于28日在福建中南部沿海登陆（强热带风暴级或台风级）的可能。中央气象台首席预报员王海平介绍，目前来看登陆位置主要考虑在浙闽沿海地区，登陆后也继续向偏西方向移动，“沙德尔”主要影响华东到华南地区，不考虑直接北上或者影响我国北方地区。就浙江而言，今天白天开始，受台风“沙德尔”影响，浙江沿海风力逐渐增大。周四至周六（27-29日），沿海和浙南地区将出现明显降水，为台风“沙德尔”影响下，降水的核心时段。

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Published on:04:58:13