模型固体火箭发动机专业设计理论
我是一名国际高中生，写这些文章是希望业余火箭爱好能够使用一种科学和精确的方式进行，而不是使用含糊不清经验谈。
%7B%22columnId%22%3A100007%2C%22color%22%3A%22%23f6f6f6%22%2C%22listColor%22%3A%22%23ffffff%22%2C%22toolColor%22%3A%22%23ffffff%22%7D
%7B%22toppedId%22%3A%5B%5D%2C%22column%22%3A%7B%22_id%22%3A100007%2C%22uid%22%3A%2271024%22%2C%22userLogs%22%3A%5B%7B%22time%22%3A%222019-08-08T04%3A56%3A56.089Z%22%2C%22uid%22%3A%2271024%22%7D%5D%2C%22name%22%3A%22%E6%A8%A1%E5%9E%8B%E5%9B%BA%E4%BD%93%E7%81%AB%E7%AE%AD%E5%8F%91%E5%8A%A8%E6%9C%BA%E4%B8%93%E4%B8%9A%E8%AE%BE%E8%AE%A1%E7%90%86%E8%AE%BA%22%2C%22nameLowerCase%22%3A%22%E6%A8%A1%E5%9E%8B%E5%9B%BA%E4%BD%93%E7%81%AB%E7%AE%AD%E5%8F%91%E5%8A%A8%E6%9C%BA%E4%B8%93%E4%B8%9A%E8%AE%BE%E8%AE%A1%E7%90%86%E8%AE%BA%22%2C%22abbr%22%3A%22%E6%88%91%E6%98%AF%E4%B8%80%E5%90%8D%E5%9B%BD%E9%99%85%E9%AB%98%E4%B8%AD%E7%94%9F%EF%BC%8C%E5%86%99%E8%BF%99%E4%BA%9B%E6%96%87%E7%AB%A0%E6%98%AF%E5%B8%8C%E6%9C%9B%E4%B8%9A%E4%BD%99%E7%81%AB%E7%AE%AD%E7%88%B1%E5%A5%BD%E8%83%BD%E5%A4%9F%E4%BD%BF%E7%94%A8%E4%B8%80%E7%A7%8D%E7%A7%91%E5%AD%A6%E5%92%8C%E7%B2%BE%E7%A1%AE%E7%9A%84%E6%96%B9%E5%BC%8F%E8%BF%9B%E8%A1%8C%EF%BC%8C%E8%80%8C%E4%B8%8D%E6%98%AF%E4%BD%BF%E7%94%A8%E5%90%AB%E7%B3%8A%E4%B8%8D%E6%B8%85%E7%BB%8F%E9%AA%8C%E8%B0%88%E3%80%82%22%2C%22contacted%22%3Afalse%2C%22perpage%22%3A30%2C%22hideDefaultCategory%22%3Afalse%2C%22navCategory%22%3Afalse%2C%22blocksDisabled%22%3Afalse%2C%22blocks%22%3A%5B%5D%2C%22otherLinksDisabled%22%3Afalse%2C%22otherLinks%22%3A%5B%5D%2C%22linksDisabled%22%3Afalse%2C%22links%22%3A%5B%5D%2C%22subCount%22%3A66%2C%22disabled%22%3Afalse%2C%22closed%22%3Afalse%2C%22description%22%3A%22%22%2C%22toc%22%3A%222019-08-08T04%3A56%3A56.090Z%22%2C%22noticeDisabled%22%3Afalse%2C%22notice%22%3A%22%22%2C%22topped%22%3A%5B%5D%2C%22color%22%3A%22%23f6f6f6%22%2C%22banner%22%3A%225f0d6545ac52e31384d3999f%22%2C%22avatar%22%3A%225f0d653e30fe61241828f4a3%22%2C%22__v%22%3A0%2C%22tlm%22%3A%222019-08-08T04%3A59%3A22.380Z%22%2C%22postCount%22%3A2%2C%22postHits%22%3A100270%2C%22postVoteUp%22%3A3%2C%22refreshTime%22%3A%222024-11-21T19%3A36%3A17.655Z%22%2C%22listColor%22%3A%22%23ffffff%22%2C%22toolColor%22%3A%22%23ffffff%22%2C%22users%22%3A%5B%5D%2C%22user%22%3A%7B%22%24__%22%3A%7B%22activePaths%22%3A%7B%22paths%22%3A%7B%22uid%22%3A%22init%22%2C%22destroyed%22%3A%22init%22%2C%22kcb%22%3A%22init%22%2C%22oldKcb%22%3A%22init%22%2C%22xsf%22%3A%22init%22%2C%22disabledPostsCount%22%3A%22init%22%2C%22disabledThreadsCount%22%3A%22init%22%2C%22postCount%22%3A%22init%22%2C%22threadCount%22%3A%22init%22%2C%22recCount%22%3A%22init%22%2C%22toppedThreadsCount%22%3A%22init%22%2C%22digestThreadsCount%22%3A%22init%22%2C%22digestPostsCount%22%3A%22init%22%2C%22dailyLoginCount%22%3A%22init%22%2C%22violationCount%22%3A%22init%22%2C%22score%22%3A%22init%22%2C%22username%22%3A%22init%22%2C%22usernameLowerCase%22%3A%22init%22%2C%22cart%22%3A%22init%22%2C%22description%22%3A%22init%22%2C%22color%22%3A%22init%22%2C%22certs%22%3A%22init%22%2C%22hidden%22%3A%22init%22%2C%22volumeA%22%3A%22init%22%2C%22volumeB%22%3A%22init%22%2C%22online%22%3A%22init%22%2C%22avatar%22%3A%22init%22%2C%22banner%22%3A%22init%22%2C%22homeBanner%22%3A%22init%22%2C%22voteUpCount%22%3A%22init%22%2C%22voteDownCount%22%3A%22init%22%2C%22_id%22%3A%22init%22%2C%22lastVisitSelf%22%3A%22init%22%2C%22tlv%22%3A%22init%22%2C%22toc%22%3A%22init%22%2C%22__v%22%3A%22init%22%2C%22postSign%22%3A%22init%22%7D%2C%22states%22%3A%7B%22require%22%3A%7B%7D%2C%22default%22%3A%7B%7D%2C%22init%22%3A%7B%22_id%22%3Atrue%2C%22username%22%3Atrue%2C%22uid%22%3Atrue%2C%22usernameLowerCase%22%3Atrue%2C%22certs%22%3Atrue%2C%22cart%22%3Atrue%2C%22lastVisitSelf%22%3Atrue%2C%22score%22%3Atrue%2C%22digestThreadsCount%22%3Atrue%2C%22toppedThreadsCount%22%3Atrue%2C%22recCount%22%3Atrue%2C%22threadCount%22%3Atrue%2C%22postCount%22%3Atrue%2C%22disabledThreadsCount%22%3Atrue%2C%22disabledPostsCount%22%3Atrue%2C%22tlv%22%3Atrue%2C%22xsf%22%3Atrue%2C%22toc%22%3Atrue%2C%22kcb%22%3Atrue%2C%22__v%22%3Atrue%2C%22volumeA%22%3Atrue%2C%22volumeB%22%3Atrue%2C%22violationCount%22%3Atrue%2C%22dailyLoginCount%22%3Atrue%2C%22digestPostsCount%22%3Atrue%2C%22online%22%3Atrue%2C%22oldKcb%22%3Atrue%2C%22avatar%22%3Atrue%2C%22banner%22%3Atrue%2C%22voteDownCount%22%3Atrue%2C%22voteUpCount%22%3Atrue%2C%22description%22%3Atrue%2C%22postSign%22%3Atrue%2C%22hidden%22%3Atrue%2C%22color%22%3Atrue%2C%22destroyed%22%3Atrue%2C%22homeBanner%22%3Atrue%7D%7D%7D%2C%22skipId%22%3Atrue%7D%2C%22%24isNew%22%3Afalse%2C%22_doc%22%3A%7B%22_id%22%3A%225a54f409c77f9012f43da6d6%22%2C%22username%22%3A%22%E7%94%B5%E5%AD%90Q%22%2C%22uid%22%3A%2271024%22%2C%22usernameLowerCase%22%3A%22%E7%94%B5%E5%AD%90q%22%2C%22certs%22%3A%5B%22examinated%22%2C%22mobile%22%5D%2C%22cart%22%3A%5B%5D%2C%22lastVisitSelf%22%3A%222017-07-26T01%3A34%3A19.315Z%22%2C%22score%22%3A171.6%2C%22digestThreadsCount%22%3A3%2C%22toppedThreadsCount%22%3A0%2C%22recCount%22%3A0%2C%22threadCount%22%3A7%2C%22postCount%22%3A35%2C%22disabledThreadsCount%22%3A0%2C%22disabledPostsCount%22%3A0%2C%22tlv%22%3A%222024-05-24T13%3A13%3A40.366Z%22%2C%22xsf%22%3A0%2C%22toc%22%3A%222016-12-09T12%3A28%3A04.415Z%22%2C%22kcb%22%3A0%2C%22__v%22%3A3%2C%22volumeA%22%3Atrue%2C%22volumeB%22%3Atrue%2C%22violationCount%22%3A0%2C%22dailyLoginCount%22%3A30%2C%22digestPostsCount%22%3A0%2C%22online%22%3A%22%22%2C%22onlineType%22%3A%22computer%22%2C%22oldKcb%22%3A56%2C%22avatar%22%3A%225f0d6597351a5f1468797e86%22%2C%22banner%22%3A%2271024%22%2C%22voteDownCount%22%3A0%2C%22voteUpCount%22%3A2%2C%22description%22%3A%22%E4%B8%80%E5%8F%AA%E5%A4%A7%E5%92%B8%E9%B1%BC%22%2C%22postSign%22%3A%22%22%2C%22hidden%22%3Afalse%2C%22color%22%3A%22%22%2C%22destroyed%22%3Afalse%2C%22homeBanner%22%3A%22%22%7D%2C%22_initial_state_%22%3A%7B%22_id%22%3A%225a54f409c77f9012f43da6d6%22%2C%22username%22%3A%22%E7%94%B5%E5%AD%90Q%22%2C%22uid%22%3A%2271024%22%2C%22usernameLowerCase%22%3A%22%E7%94%B5%E5%AD%90q%22%2C%22certs%22%3A%5B%22examinated%22%2C%22mobile%22%5D%2C%22cart%22%3A%5B%5D%2C%22lastVisitSelf%22%3A%222017-07-26T01%3A34%3A19.315Z%22%2C%22score%22%3A171.6%2C%22digestThreadsCount%22%3A3%2C%22toppedThreadsCount%22%3A0%2C%22recCount%22%3A0%2C%22threadCount%22%3A7%2C%22postCount%22%3A35%2C%22disabledThreadsCount%22%3A0%2C%22disabledPostsCount%22%3A0%2C%22tlv%22%3A%222024-05-24T13%3A13%3A40.366Z%22%2C%22xsf%22%3A0%2C%22toc%22%3A%222016-12-09T12%3A28%3A04.415Z%22%2C%22kcb%22%3A0%2C%22__v%22%3A3%2C%22volumeA%22%3Atrue%2C%22volumeB%22%3Atrue%2C%22violationCount%22%3A0%2C%22dailyLoginCount%22%3A30%2C%22digestPostsCount%22%3A0%2C%22online%22%3A%22%22%2C%22onlineType%22%3A%22computer%22%2C%22oldKcb%22%3A56%2C%22avatar%22%3A%225f0d6597351a5f1468797e86%22%2C%22banner%22%3A%2271024%22%2C%22voteDownCount%22%3A0%2C%22voteUpCount%22%3A2%2C%22description%22%3A%22%E4%B8%80%E5%8F%AA%E5%A4%A7%E5%92%B8%E9%B1%BC%22%2C%22postSign%22%3A%22%22%2C%22hidden%22%3Afalse%2C%22color%22%3A%22%22%2C%22destroyed%22%3Afalse%2C%22homeBanner%22%3A%22%22%7D%2C%22avatarUrl%22%3A%22https%3A%2F%2Fimg.kechuang.org%3A81%2Fa%2F5f0d6597351a5f1468797e86%3Fc%3DuserAvatar%22%7D%2C%22columnBanner%22%3A%22https%3A%2F%2Fimg.kechuang.org%3A81%2Fa%2F5f0d6545ac52e31384d3999f%3Fc%3DcolumnBanner%22%2C%22columnAvatar%22%3A%22https%3A%2F%2Fimg.kechuang.org%3A81%2Fa%2F5f0d653e30fe61241828f4a3%3Fc%3DcolumnAvatar%22%7D%2C%22columnPosts%22%3A%5B%5D%2C%22category%22%3A%7B%22_id%22%3A29%2C%22columnId%22%3A100007%2C%22name%22%3A%22%E9%BB%98%E8%AE%A4%E5%88%86%E7%B1%BB%22%2C%22toc%22%3A%222019-08-08T04%3A56%3A56.093Z%22%2C%22description%22%3A%22%3Cdiv%20class%3D%5C%22render-content%20math-jax%5C%22%20data-type%3D%5C%22nkc-render-content%5C%22%20data-id%3D%5C%22undefined%5C%22%20data-source%3D%5C%22post%5C%22%20data-sid%3D%5C%22undefined%5C%22%3E%E9%BB%98%E8%AE%A4%E5%88%86%E7%B1%BB%3C%2Fdiv%3E%22%2C%22default%22%3Atrue%2C%22level%22%3A0%2C%22parentId%22%3Anull%2C%22order%22%3A1000%2C%22topped%22%3A%5B%5D%2C%22__v%22%3A0%2C%22type%22%3A%22main%22%2C%22brief%22%3A%22%E9%BB%98%E8%AE%A4%E5%88%86%E7%B1%BB%22%7D%2C%22topped%22%3A%5B%5D%2C%22paging%22%3A%7B%22page%22%3A0%2C%22perpage%22%3A30%2C%22start%22%3A0%2C%22count%22%3A30%2C%22pageCount%22%3A1%2C%22aggregate%22%3A0%2C%22buttonValue%22%3A%5B%5D%7D%7D
![]()
ID: {{user.uid}}
{{user.username}}
![]()
用户已注销
{{user.info.certsName}}
{{user.description}}
{{format("YYYY/MM/DD", user.toc)}}注册，{{fromNow(user.tlv)}}活动
加载中...
{{downloadWarning}}
你在 {{downloadTime}} 下载过当前文件。
文件名称：{{resource.defaultFile.name}}
下载次数：{{resource.hits}}
所需积分：{{costScores}}，{{holdScores}}下载当前附件免费{{description}}
文件已丢失
当前账号的附件下载数量限制如下：
| 时段 |
个数 |
| {{f.startingTime}}点 - {{f.endTime}}点 |
{{f.fileCount}} |
%7B%22isDisplay%22%3Atrue%7D
仅供内部学术交流或培训使用，请先保存到本地。本内容不代表科创观点，未经原作者同意，请勿转载。
