envelope plane

envelope plane的基本解释

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[计] 包络面

与envelope plane相关的网络例句 [注：此内容来源于网络，仅供参考]

Study on geometry theory and engagement characteristics of scroll profiles Aiming as the limitations of scroll profiles in existence, the whole characteristics and local characteristics of plane curve instinct equation were studied. Analyzed the equidistant curve of envelope principle, normal equidistant curve creating method and envelope equidistant curve creating method were gained.

针对现有表征方式的局限性和不足之处，从微分几何角度出发，研究了平面曲线固有方程的局部特性和整体特性，分析了通用涡旋型线等距曲线和包络原理，得到了法向等距曲线生成及包络法等距曲线生成方法，推导了通用涡旋型线的坐标变换方法，得到了通用涡旋型线的平面啮合理论。

One summer they planned to fly to New York fo their holidays.They got to the airport only ten minutes before the plane left.So time was short,but suddenly Mrs.Long said she must tell Linda,their daughter,not to forget to lock the front door when she went to school.As Linda was then at school,they couldn't tell her about it by telephone.So the couple hurried to the post office.Mrs.Long wrote a short note to Linda while Mr.Long bought a stamp and an envelope.Soon the note was ready .They put the stamp on the envelope in a hurry and put it in the letter box.But suddenly Mrs.Long began to cry.The short note was still in her hand.She had put the plance ticket in the envelope!

一个夏天他们计划飞往纽约度假，他们在飞机离开前仅十分钟才到了飞机场，所以时间很短，但是突然Long太太说她必须去告诉他们的女儿Linda，当她上学时不要忘记锁自家的前门，现在女儿正在学校，他们不能用电话告诉女儿，所以这对夫妻很快去了邮局，当Long先生买了一枚邮票和一个信封时，Long太太写了一个小纸条给Linda，很快纸条写好了，他们很快把邮票贴在信封上，之后把它扔进信箱里，但是突然Long太太开始哭，那个小纸条还在他的手上，她已经把机票放在了信箱了！

One summer they planned to fly to New York for their holidays.They got to the airport only ten minutes before the plane left.So time was short.But suddenly Mrs.Long said she must tell Linda,their daughter,not to forget to lock the front door when she went to school.As Linda was than at school,they coundn't tell her about it by telrphone.So the couple hurried to the post office.Mrs.Long wrote a short note to Linda while Mr.Long bought a stamp and an envelope.Soon the note was ready.They put the stamp on the envelope in a hurry and put it in the letter box.But suddenly Mrs.Long began to try.The short note was still in her hand.She had put the plane ticket in the envelope.

一个夏天他们计划飞往纽约度假，他们在飞机离开前仅十分钟才到了飞机场，所以时间很短，但是突然Long太太说她必须去告诉他们的女儿Linda，当她上学时不要忘记锁自家的前门，现在女儿正在学校，他们不能用电话告诉女儿，所以这对夫妻很快去了邮局，当Long先生买了一枚邮票和一个信封时，Long太太写了一个小纸条给Linda，很快纸条写好了，他们很快把邮票贴在信封上，之后把它扔进信箱里，但是突然Long太太开始哭，那个小纸条还在他的手上，她已经把机票放在了信箱了！

与envelope plane相关的网络解释 [注：此内容来源于网络，仅供参考]

lower half plane：下半平面

lower envelope 下包络 | lower half plane 下半平面 | lower integral 下积分

lower envelope：下包络

lower dini derivative 狄尼下导数 | lower envelope 下包络 | lower half plane 下半平面

upper envelope：上包络

upper derivative 上导数 | upper envelope 上包络 | upper half plane 上半平面