However, the GM (1, 1) Model requires high stationary of the original data and concave data lines trend which has big gray plane.
但是，GM(1,1)模型对于原始数列的平稳性要求较高、数列连线趋势只能为内凹型、灰平面较大。
The present study numerically investigated a conceptual type of internal steam cooling vane with the impingement cooling technology on the basis of plane model and concave model.
在对射流冷却平板模型和射流冷却凹板模型数值模拟的基础上，设计了射流冲击冷却式蒸汽冷却叶片，并对其进行了热耦合数值模拟。
The differences of the passive mode-locking by the SESAM in the plane-concave stable resonator and the plane-convex unstable resonator lasers were experimentally compared and reasonably explained.
实验比较了SESAM器件在平凹稳定腔和平凸非稳腔激光器中实现被动锁模的差异，并给出理论解释。
Resonator cavity of thin disk laser is designed, using plane-concave cavity to make it work stably and obtain large fundamental mode volume.
对薄片激光器的谐振腔进行了设计，采用平凹腔的结构，并使其在稳区工作并有较大的基模体积。
Among the reshaping systems converting a Gaussian beam to a flattop beam, the system composed of a plane-concave and a plane-convex lens, is a relatively simple structure.
在将高斯光束整形为平顶光束的整形系统中，由两个非球面镜组成的系统是比较简单的结构形式，该系统由平凹镜和平凸镜组成。
So it indicates that the surface with this kind of concave can reduce friction under the condition of plane-plane contact, and if the concave on the surface has some special depth t...
从而得到结论，在平面-平面接触，乏油状态下，该种表面凹坑有一定减阻作用，且在某一深度的凹坑减阻效果最好。
The mode analysis is made for a CW CO2 laser of a plane-concave cavity.
对平凹腔连续波二氧化碳激光器进行了模式分析。
The mode analysis is made for a CW CO2 laser of a plane-concave cavity.
对平凹腔连续波二氧化碳激光器进行了模式分析。
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