Then a problem developed. The door of the spacecraft refused to shut tightly.
接着一个问题出现了。太空船的门无法紧密地关闭。
First of all, one problem has always been that models are often developed at the beginning of a project and then become irrelevant as the project progresses.
首先，一个问题是模型通常都是在项目开始之初开发的，然后随着项目的不断进展就变得不相关了。
Then, a new method to realize the ODF and PS linkage was developed, which can effectively solve LC leak and cold bubble problem of PS production in the ODF process.
开发了液晶滴下设备与PS高度检测设备联动的新型液晶滴下方法，有效地解决了PS产品在ODF工艺中发生漏液晶和低温气泡的问题。
This was very interesting for about twenty years, but then I developed a back problem, probably from bending over microscopes for long periods.
这是非常有趣的二十年，但后来我得了一个背部的毛病，大概是长期弯腰使用显微镜。
Then a mathematical programming procedure for loaded tooth contact analysis with friction is developed, which can solve the contact problem in the whole meshing period of hypoid gears effectively;
本文还以一对准双曲面齿轮为例，进行了整个啮合过程的承载接触分析；
Then a mathematical programming procedure for loaded tooth contact analysis with friction is developed, which can solve the contact problem in the whole meshing period of hypoid gears effectively;
本文还以一对准双曲面齿轮为例，进行了整个啮合过程的承载接触分析；
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